<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:d4e46931-2b43-4cd8-8cba-d488755eebe5,g:b25b6d29-d55b-4d38-b893-8a674ebe0ec0-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://openlendingcorp.com/role/ConsolidatedStatementsofOperations" xlink:type="simple" xlink:href="lpro-20241231.xsd#ConsolidatedStatementsofOperations"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/ConsolidatedStatementsofOperations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_fbd3fb9f-6984-4732-a542-0f08cafd187e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_e0c95ad5-994a-4004-a943-960a0bd8295e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_fbd3fb9f-6984-4732-a542-0f08cafd187e" xlink:to="loc_us-gaap_StatementTable_e0c95ad5-994a-4004-a943-960a0bd8295e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_380175f2-d148-4ff4-9772-8d911cba0b0b" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_e0c95ad5-994a-4004-a943-960a0bd8295e" xlink:to="loc_srt_ProductOrServiceAxis_380175f2-d148-4ff4-9772-8d911cba0b0b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_380175f2-d148-4ff4-9772-8d911cba0b0b_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_380175f2-d148-4ff4-9772-8d911cba0b0b" xlink:to="loc_srt_ProductsAndServicesDomain_380175f2-d148-4ff4-9772-8d911cba0b0b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_510656ed-06c4-4f5f-9a8c-8bb2a8c9911a" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_380175f2-d148-4ff4-9772-8d911cba0b0b" xlink:to="loc_srt_ProductsAndServicesDomain_510656ed-06c4-4f5f-9a8c-8bb2a8c9911a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ProgramFeeMember_c8d9915e-3c62-4af7-bf40-9721a2b2db12" xlink:href="lpro-20241231.xsd#lpro_ProgramFeeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_510656ed-06c4-4f5f-9a8c-8bb2a8c9911a" xlink:to="loc_lpro_ProgramFeeMember_c8d9915e-3c62-4af7-bf40-9721a2b2db12" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ProfitShareMember_4ab00783-70a1-44f0-a251-08038afcbbd2" xlink:href="lpro-20241231.xsd#lpro_ProfitShareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_510656ed-06c4-4f5f-9a8c-8bb2a8c9911a" xlink:to="loc_lpro_ProfitShareMember_4ab00783-70a1-44f0-a251-08038afcbbd2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdministrativeServiceMember_55fe7c86-eae3-45a2-acb4-3fe39cffd86d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdministrativeServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_510656ed-06c4-4f5f-9a8c-8bb2a8c9911a" xlink:to="loc_us-gaap_AdministrativeServiceMember_55fe7c86-eae3-45a2-acb4-3fe39cffd86d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_efba117e-866a-4dd6-856d-7484476a4ccf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenuesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fbd3fb9f-6984-4732-a542-0f08cafd187e" xlink:to="loc_us-gaap_RevenuesAbstract_efba117e-866a-4dd6-856d-7484476a4ccf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_04975dad-ae4b-4954-bbd5-c3e18b6efbc8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_efba117e-866a-4dd6-856d-7484476a4ccf" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_04975dad-ae4b-4954-bbd5-c3e18b6efbc8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_3d5efbdd-8c47-4696-891f-df2626271d43" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fbd3fb9f-6984-4732-a542-0f08cafd187e" xlink:to="loc_us-gaap_CostOfRevenue_3d5efbdd-8c47-4696-891f-df2626271d43" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_59177e09-6313-4ee2-bf32-b33c0cfb7460" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fbd3fb9f-6984-4732-a542-0f08cafd187e" xlink:to="loc_us-gaap_GrossProfit_59177e09-6313-4ee2-bf32-b33c0cfb7460" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_f321f809-8fde-4283-a55f-56d153943401" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fbd3fb9f-6984-4732-a542-0f08cafd187e" xlink:to="loc_us-gaap_OperatingExpensesAbstract_f321f809-8fde-4283-a55f-56d153943401" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_96b3d4d3-0e1e-4864-be4e-303e7cddae00" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_f321f809-8fde-4283-a55f-56d153943401" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_96b3d4d3-0e1e-4864-be4e-303e7cddae00" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_6163d0ee-da13-4b14-94b0-b88972e9b624" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_f321f809-8fde-4283-a55f-56d153943401" xlink:to="loc_us-gaap_SellingAndMarketingExpense_6163d0ee-da13-4b14-94b0-b88972e9b624" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_5775fab0-25ae-4000-a9ee-ab1cc5c93e7b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_f321f809-8fde-4283-a55f-56d153943401" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_5775fab0-25ae-4000-a9ee-ab1cc5c93e7b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_0bcfc529-229f-4993-8f93-a757a1e96f0c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_f321f809-8fde-4283-a55f-56d153943401" xlink:to="loc_us-gaap_OperatingExpenses_0bcfc529-229f-4993-8f93-a757a1e96f0c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_02d0fae5-54bf-4a41-aa5b-f0f9fe5c074f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fbd3fb9f-6984-4732-a542-0f08cafd187e" xlink:to="loc_us-gaap_OperatingIncomeLoss_02d0fae5-54bf-4a41-aa5b-f0f9fe5c074f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_a7e8b203-4a04-467e-a72c-94980d6355db" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fbd3fb9f-6984-4732-a542-0f08cafd187e" xlink:to="loc_us-gaap_InterestExpenseNonoperating_a7e8b203-4a04-467e-a72c-94980d6355db" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_f3d25729-96e0-4e0f-99bc-a501e1d86903" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fbd3fb9f-6984-4732-a542-0f08cafd187e" xlink:to="loc_us-gaap_InvestmentIncomeInterest_f3d25729-96e0-4e0f-99bc-a501e1d86903" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_6d9dcc9a-d86d-47e6-be21-6d3bdf0e42de" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fbd3fb9f-6984-4732-a542-0f08cafd187e" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_6d9dcc9a-d86d-47e6-be21-6d3bdf0e42de" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_35084358-62e0-4f86-9d3d-4565f86ad59e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fbd3fb9f-6984-4732-a542-0f08cafd187e" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_35084358-62e0-4f86-9d3d-4565f86ad59e" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_28387ebc-5286-4801-87a3-1dd76409a352" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fbd3fb9f-6984-4732-a542-0f08cafd187e" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_28387ebc-5286-4801-87a3-1dd76409a352" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_f8f7a3ec-a300-4bd0-a56b-6c8dbf605787" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fbd3fb9f-6984-4732-a542-0f08cafd187e" xlink:to="loc_us-gaap_NetIncomeLoss_f8f7a3ec-a300-4bd0-a56b-6c8dbf605787" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_a45c8730-c55e-411f-8ffa-52b3af3bd90a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasicAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fbd3fb9f-6984-4732-a542-0f08cafd187e" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_a45c8730-c55e-411f-8ffa-52b3af3bd90a" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_a51316a3-bf1d-4416-9876-cec7c81c1e46" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_a45c8730-c55e-411f-8ffa-52b3af3bd90a" xlink:to="loc_us-gaap_EarningsPerShareBasic_a51316a3-bf1d-4416-9876-cec7c81c1e46" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_7802c618-bc90-47e3-b59d-bcb1987661b2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_a45c8730-c55e-411f-8ffa-52b3af3bd90a" xlink:to="loc_us-gaap_EarningsPerShareDiluted_7802c618-bc90-47e3-b59d-bcb1987661b2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_8c5b522e-ded3-4581-a84f-2e1e19f09d27" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fbd3fb9f-6984-4732-a542-0f08cafd187e" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_8c5b522e-ded3-4581-a84f-2e1e19f09d27" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_e68a9468-173b-4472-a0b7-8ff286014ed9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_8c5b522e-ded3-4581-a84f-2e1e19f09d27" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_e68a9468-173b-4472-a0b7-8ff286014ed9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_233afdfe-0293-4da5-8f44-e9b60b3c1d82" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_8c5b522e-ded3-4581-a84f-2e1e19f09d27" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_233afdfe-0293-4da5-8f44-e9b60b3c1d82" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/ConsolidatedStatementsofChangesinStockholdersEquity" xlink:type="simple" xlink:href="lpro-20241231.xsd#ConsolidatedStatementsofChangesinStockholdersEquity"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/ConsolidatedStatementsofChangesinStockholdersEquity" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_9c46c389-3b01-42ea-83cb-02fe8046f7f3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_88aeccd6-a988-448e-81aa-749103f43d04" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_9c46c389-3b01-42ea-83cb-02fe8046f7f3" xlink:to="loc_us-gaap_StatementTable_88aeccd6-a988-448e-81aa-749103f43d04" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_4cd45389-cc62-4a15-850b-67450e711931" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_88aeccd6-a988-448e-81aa-749103f43d04" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_4cd45389-cc62-4a15-850b-67450e711931" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_4cd45389-cc62-4a15-850b-67450e711931_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_4cd45389-cc62-4a15-850b-67450e711931" xlink:to="loc_us-gaap_EquityComponentDomain_4cd45389-cc62-4a15-850b-67450e711931_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_3efa326e-0b02-4d64-93c6-53e444b3f5fe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_4cd45389-cc62-4a15-850b-67450e711931" xlink:to="loc_us-gaap_EquityComponentDomain_3efa326e-0b02-4d64-93c6-53e444b3f5fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_8bb3abae-f73a-4e84-ab9f-96fbfb12ecf1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_3efa326e-0b02-4d64-93c6-53e444b3f5fe" xlink:to="loc_us-gaap_CommonStockMember_8bb3abae-f73a-4e84-ab9f-96fbfb12ecf1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_a7454ad3-24d1-4ae6-9a14-9dbbff0d0ed7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_3efa326e-0b02-4d64-93c6-53e444b3f5fe" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_a7454ad3-24d1-4ae6-9a14-9dbbff0d0ed7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_74aedf91-8c85-4055-b325-88650cd8cf3c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_3efa326e-0b02-4d64-93c6-53e444b3f5fe" xlink:to="loc_us-gaap_RetainedEarningsMember_74aedf91-8c85-4055-b325-88650cd8cf3c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_8e470f79-f13a-4ed0-a36e-cf167c1c8098" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_3efa326e-0b02-4d64-93c6-53e444b3f5fe" xlink:to="loc_us-gaap_TreasuryStockCommonMember_8e470f79-f13a-4ed0-a36e-cf167c1c8098" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_9c44557c-b234-4191-80ed-4edd9607e37f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9c46c389-3b01-42ea-83cb-02fe8046f7f3" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_9c44557c-b234-4191-80ed-4edd9607e37f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_dfca13e4-47cd-4e64-b92f-e34a720110f2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_9c44557c-b234-4191-80ed-4edd9607e37f" xlink:to="loc_us-gaap_CommonStockSharesIssued_dfca13e4-47cd-4e64-b92f-e34a720110f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_c29883c2-637c-427c-a4c1-c69a33de26b0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_9c44557c-b234-4191-80ed-4edd9607e37f" xlink:to="loc_us-gaap_StockholdersEquity_c29883c2-637c-427c-a4c1-c69a33de26b0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_a7ef1db5-1e91-4a74-903b-d373adf14f09" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockCommonShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_9c44557c-b234-4191-80ed-4edd9607e37f" xlink:to="loc_us-gaap_TreasuryStockCommonShares_a7ef1db5-1e91-4a74-903b-d373adf14f09" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_15612aa0-eacf-4385-ae43-9503cb896fe6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_9c44557c-b234-4191-80ed-4edd9607e37f" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_15612aa0-eacf-4385-ae43-9503cb896fe6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_25808cdd-15aa-47f6-8a91-7b3608014ff9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_9c44557c-b234-4191-80ed-4edd9607e37f" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_25808cdd-15aa-47f6-8a91-7b3608014ff9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredParValueMethod_ad3ebcf5-c5d4-4ce2-85b4-8716f23ea847" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockValueAcquiredParValueMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_9c44557c-b234-4191-80ed-4edd9607e37f" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredParValueMethod_ad3ebcf5-c5d4-4ce2-85b4-8716f23ea847" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_0f411be6-f612-4809-8399-17621f330670" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_9c44557c-b234-4191-80ed-4edd9607e37f" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_0f411be6-f612-4809-8399-17621f330670" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_2a40f344-d787-4d84-94ae-36d58d218f5b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_9c44557c-b234-4191-80ed-4edd9607e37f" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_2a40f344-d787-4d84-94ae-36d58d218f5b" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_c3ede81d-a2c2-4c25-9723-047d6dc6d33d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_9c44557c-b234-4191-80ed-4edd9607e37f" xlink:to="loc_us-gaap_NetIncomeLoss_c3ede81d-a2c2-4c25-9723-047d6dc6d33d" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_d1049503-4acc-4160-a047-7704fd6e9d1b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_7e78e36a-8472-4880-8f8f-cf0d090c30f5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_bfcf4b42-693c-4472-9827-6e6b7f59bef5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockCommonShares"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/SummaryofSignificantAccountingandReportingPoliciesAdditionalInformationDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#SummaryofSignificantAccountingandReportingPoliciesAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/SummaryofSignificantAccountingandReportingPoliciesAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTable_095cde68-ebf7-4f67-bcbb-9658d4316a1b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_us-gaap_ConcentrationRiskTable_095cde68-ebf7-4f67-bcbb-9658d4316a1b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_398b69b4-0363-415a-b0c8-4011eebb0bb3" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_095cde68-ebf7-4f67-bcbb-9658d4316a1b" xlink:to="loc_srt_RangeAxis_398b69b4-0363-415a-b0c8-4011eebb0bb3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_398b69b4-0363-415a-b0c8-4011eebb0bb3_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_398b69b4-0363-415a-b0c8-4011eebb0bb3" xlink:to="loc_srt_RangeMember_398b69b4-0363-415a-b0c8-4011eebb0bb3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_46d4cffb-af2b-41ad-a1c7-8418cef2518f" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_398b69b4-0363-415a-b0c8-4011eebb0bb3" xlink:to="loc_srt_RangeMember_46d4cffb-af2b-41ad-a1c7-8418cef2518f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_d6837347-c528-412f-8a09-8fa92be5c6f5" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_46d4cffb-af2b-41ad-a1c7-8418cef2518f" xlink:to="loc_srt_MinimumMember_d6837347-c528-412f-8a09-8fa92be5c6f5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_ce656519-8754-4344-b699-9fcdf1a7b9cd" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_46d4cffb-af2b-41ad-a1c7-8418cef2518f" xlink:to="loc_srt_MaximumMember_ce656519-8754-4344-b699-9fcdf1a7b9cd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_4f77c050-5d26-4b23-a850-a6a22cd78286" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_095cde68-ebf7-4f67-bcbb-9658d4316a1b" xlink:to="loc_srt_ProductOrServiceAxis_4f77c050-5d26-4b23-a850-a6a22cd78286" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_4f77c050-5d26-4b23-a850-a6a22cd78286_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_4f77c050-5d26-4b23-a850-a6a22cd78286" xlink:to="loc_srt_ProductsAndServicesDomain_4f77c050-5d26-4b23-a850-a6a22cd78286_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_bfb69be7-b335-47b9-91b6-2a770ca9b8d8" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_4f77c050-5d26-4b23-a850-a6a22cd78286" xlink:to="loc_srt_ProductsAndServicesDomain_bfb69be7-b335-47b9-91b6-2a770ca9b8d8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ProgramFeeMember_5a646303-b453-4744-8b26-adbfe8435c51" xlink:href="lpro-20241231.xsd#lpro_ProgramFeeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_bfb69be7-b335-47b9-91b6-2a770ca9b8d8" xlink:to="loc_lpro_ProgramFeeMember_5a646303-b453-4744-8b26-adbfe8435c51" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ProfitShareMember_533c07ef-46f7-414c-98d2-d9e0b01b7b37" xlink:href="lpro-20241231.xsd#lpro_ProfitShareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_bfb69be7-b335-47b9-91b6-2a770ca9b8d8" xlink:to="loc_lpro_ProfitShareMember_533c07ef-46f7-414c-98d2-d9e0b01b7b37" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ChangeInEstimatedRevenueMember_3cd35566-4d9e-4787-bdf6-2cd5c93366b9" xlink:href="lpro-20241231.xsd#lpro_ChangeInEstimatedRevenueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ProfitShareMember_533c07ef-46f7-414c-98d2-d9e0b01b7b37" xlink:to="loc_lpro_ChangeInEstimatedRevenueMember_3cd35566-4d9e-4787-bdf6-2cd5c93366b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_da21b1a0-85c8-45f6-b194-a555874632fe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_095cde68-ebf7-4f67-bcbb-9658d4316a1b" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_da21b1a0-85c8-45f6-b194-a555874632fe" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_da21b1a0-85c8-45f6-b194-a555874632fe_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_da21b1a0-85c8-45f6-b194-a555874632fe" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_da21b1a0-85c8-45f6-b194-a555874632fe_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_3b7b7401-3f75-4b17-a2c5-0e9a5a358845" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_da21b1a0-85c8-45f6-b194-a555874632fe" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_3b7b7401-3f75-4b17-a2c5-0e9a5a358845" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableMember_380b9376-830d-4e59-8a2b-376c74c26f6c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_3b7b7401-3f75-4b17-a2c5-0e9a5a358845" xlink:to="loc_us-gaap_AccountsReceivableMember_380b9376-830d-4e59-8a2b-376c74c26f6c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_4a70eaaf-6321-405b-bf5b-3bf11cf43b6f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_095cde68-ebf7-4f67-bcbb-9658d4316a1b" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_4a70eaaf-6321-405b-bf5b-3bf11cf43b6f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_4a70eaaf-6321-405b-bf5b-3bf11cf43b6f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_4a70eaaf-6321-405b-bf5b-3bf11cf43b6f" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_4a70eaaf-6321-405b-bf5b-3bf11cf43b6f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_6571466f-6757-4512-bf67-15f947a1f69f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_4a70eaaf-6321-405b-bf5b-3bf11cf43b6f" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_6571466f-6757-4512-bf67-15f947a1f69f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_684d7c64-7286-4262-b650-abd0210f5ae2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CustomerConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_6571466f-6757-4512-bf67-15f947a1f69f" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_684d7c64-7286-4262-b650-abd0210f5ae2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_e2f8eb85-4ea3-4bc5-96b3-3e67e9b92f51" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MajorCustomersAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_095cde68-ebf7-4f67-bcbb-9658d4316a1b" xlink:to="loc_srt_MajorCustomersAxis_e2f8eb85-4ea3-4bc5-96b3-3e67e9b92f51" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_e2f8eb85-4ea3-4bc5-96b3-3e67e9b92f51_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_e2f8eb85-4ea3-4bc5-96b3-3e67e9b92f51" xlink:to="loc_srt_NameOfMajorCustomerDomain_e2f8eb85-4ea3-4bc5-96b3-3e67e9b92f51_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_ac6e8acd-0c11-4cc6-9e60-623f86a2faff" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_e2f8eb85-4ea3-4bc5-96b3-3e67e9b92f51" xlink:to="loc_srt_NameOfMajorCustomerDomain_ac6e8acd-0c11-4cc6-9e60-623f86a2faff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_CustomerOneMember_c682cb64-b0a0-426c-8954-764e6969e6ca" xlink:href="lpro-20241231.xsd#lpro_CustomerOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_ac6e8acd-0c11-4cc6-9e60-623f86a2faff" xlink:to="loc_lpro_CustomerOneMember_c682cb64-b0a0-426c-8954-764e6969e6ca" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashCurrent_c11d77b0-b75b-45a7-ace5-210ed18e032d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_us-gaap_RestrictedCashCurrent_c11d77b0-b75b-45a7-ace5-210ed18e032d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_AccountsReceivableThresholdPeriod_1c195ba7-ad67-40ab-966c-df14b084acb6" xlink:href="lpro-20241231.xsd#lpro_AccountsReceivableThresholdPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_lpro_AccountsReceivableThresholdPeriod_1c195ba7-ad67-40ab-966c-df14b084acb6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ProgramFeeNumberOfInstallments_961c2168-f300-4d47-b1af-bbd6ddfa5fc5" xlink:href="lpro-20241231.xsd#lpro_ProgramFeeNumberOfInstallments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_lpro_ProgramFeeNumberOfInstallments_961c2168-f300-4d47-b1af-bbd6ddfa5fc5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_AccountsReceivableUpfrontFeeBillingPeriod_03301e72-4c58-405e-8250-e1b1beba216b" xlink:href="lpro-20241231.xsd#lpro_AccountsReceivableUpfrontFeeBillingPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_lpro_AccountsReceivableUpfrontFeeBillingPeriod_03301e72-4c58-405e-8250-e1b1beba216b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ReceivablesAllowanceForCreditLoss_2c85c743-a60e-47dd-9ea3-c9dffdf4f3e8" xlink:href="lpro-20241231.xsd#lpro_ReceivablesAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_lpro_ReceivablesAllowanceForCreditLoss_2c85c743-a60e-47dd-9ea3-c9dffdf4f3e8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_99c7e703-a049-4238-b521-120ab198cfd1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_99c7e703-a049-4238-b521-120ab198cfd1" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_3fc523e7-04de-46bf-961e-4a1a0bdc2a4f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Depreciation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_us-gaap_Depreciation_3fc523e7-04de-46bf-961e-4a1a0bdc2a4f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_76144c02-b257-4ae1-8d8f-8b6f4e188d90" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_76144c02-b257-4ae1-8d8f-8b6f4e188d90" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_NumberOfRevenueStreams_7b136803-b675-4181-b7c6-808e7af324ed" xlink:href="lpro-20241231.xsd#lpro_NumberOfRevenueStreams"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_lpro_NumberOfRevenueStreams_7b136803-b675-4181-b7c6-808e7af324ed" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_RevenueFromContractWithCustomerPercentagePaidInInstallments_c5fe9003-6f22-41af-bea2-643085b3b147" xlink:href="lpro-20241231.xsd#lpro_RevenueFromContractWithCustomerPercentagePaidInInstallments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_lpro_RevenueFromContractWithCustomerPercentagePaidInInstallments_c5fe9003-6f22-41af-bea2-643085b3b147" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_RevenueFromContractWithCustomerInstallmentBasis_c3ac8692-de86-4a90-8043-ed31e704f4a4" xlink:href="lpro-20241231.xsd#lpro_RevenueFromContractWithCustomerInstallmentBasis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_lpro_RevenueFromContractWithCustomerInstallmentBasis_c3ac8692-de86-4a90-8043-ed31e704f4a4" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_RevenueFromContractWithCustomerPercentageMonthlyServiceFee_1697ccc5-392d-4623-a6f5-5b1d91d45eec" xlink:href="lpro-20241231.xsd#lpro_RevenueFromContractWithCustomerPercentageMonthlyServiceFee"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_lpro_RevenueFromContractWithCustomerPercentageMonthlyServiceFee_1697ccc5-392d-4623-a6f5-5b1d91d45eec" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_c492df3d-a565-4305-b56f-e83f8547593f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_c492df3d-a565-4305-b56f-e83f8547593f" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInMeasureOfProgress_e9e01bad-2e35-4a53-999d-13ad96c2f239" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInMeasureOfProgress"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInMeasureOfProgress_e9e01bad-2e35-4a53-999d-13ad96c2f239" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRefundLiabilityNoncurrent_7762b5cd-1734-41f2-af9f-7670d48e087e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CustomerRefundLiabilityNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_us-gaap_CustomerRefundLiabilityNoncurrent_7762b5cd-1734-41f2-af9f-7670d48e087e" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdvertisingExpense_54f2cd14-95ca-4206-97ca-797a813bdf45" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdvertisingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_us-gaap_AdvertisingExpense_54f2cd14-95ca-4206-97ca-797a813bdf45" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_46a8b830-f98a-4e96-9a6b-c7e4fa62ab70" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_cd4d53d1-426b-410e-9b99-1eafad0ee87d" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_46a8b830-f98a-4e96-9a6b-c7e4fa62ab70" xlink:type="arc" order="16"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/SummaryofSignificantAccountingandReportingPoliciesRevenueDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#SummaryofSignificantAccountingandReportingPoliciesRevenueDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/SummaryofSignificantAccountingandReportingPoliciesRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_4c7e4049-4201-468d-a6f0-b8643ad3f53d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_85c209e8-a73a-4696-b673-b8ca13113def" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_4c7e4049-4201-468d-a6f0-b8643ad3f53d" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_85c209e8-a73a-4696-b673-b8ca13113def" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_de3e5170-5449-4e41-9c06-3a2fcb8641a6" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_85c209e8-a73a-4696-b673-b8ca13113def" xlink:to="loc_srt_ProductOrServiceAxis_de3e5170-5449-4e41-9c06-3a2fcb8641a6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_de3e5170-5449-4e41-9c06-3a2fcb8641a6_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_de3e5170-5449-4e41-9c06-3a2fcb8641a6" xlink:to="loc_srt_ProductsAndServicesDomain_de3e5170-5449-4e41-9c06-3a2fcb8641a6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_4c85a673-7e1f-492b-ba53-0cdc422f1ec4" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_de3e5170-5449-4e41-9c06-3a2fcb8641a6" xlink:to="loc_srt_ProductsAndServicesDomain_4c85a673-7e1f-492b-ba53-0cdc422f1ec4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ProgramFeeMember_4752d1cc-3d03-47f0-ad98-fa22b28e6e75" xlink:href="lpro-20241231.xsd#lpro_ProgramFeeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4c85a673-7e1f-492b-ba53-0cdc422f1ec4" xlink:to="loc_lpro_ProgramFeeMember_4752d1cc-3d03-47f0-ad98-fa22b28e6e75" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ProfitShareMember_05f130e9-0d68-44f3-9a3d-01f88b49dcff" xlink:href="lpro-20241231.xsd#lpro_ProfitShareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4c85a673-7e1f-492b-ba53-0cdc422f1ec4" xlink:to="loc_lpro_ProfitShareMember_05f130e9-0d68-44f3-9a3d-01f88b49dcff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_NewCertifiedLoanOriginationsMember_c291bd98-a7b5-4a85-b556-99e641ee7ff0" xlink:href="lpro-20241231.xsd#lpro_NewCertifiedLoanOriginationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ProfitShareMember_05f130e9-0d68-44f3-9a3d-01f88b49dcff" xlink:to="loc_lpro_NewCertifiedLoanOriginationsMember_c291bd98-a7b5-4a85-b556-99e641ee7ff0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ChangeInEstimatedRevenueMember_2e422ff2-337c-47b3-ae59-994d72bf01c3" xlink:href="lpro-20241231.xsd#lpro_ChangeInEstimatedRevenueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ProfitShareMember_05f130e9-0d68-44f3-9a3d-01f88b49dcff" xlink:to="loc_lpro_ChangeInEstimatedRevenueMember_2e422ff2-337c-47b3-ae59-994d72bf01c3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdministrativeServiceMember_9efc0cae-5ef0-4498-be29-b378094c7345" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdministrativeServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4c85a673-7e1f-492b-ba53-0cdc422f1ec4" xlink:to="loc_us-gaap_AdministrativeServiceMember_9efc0cae-5ef0-4498-be29-b378094c7345" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_09d324aa-14dd-4690-9239-ca0263e41a63" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_4c7e4049-4201-468d-a6f0-b8643ad3f53d" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_09d324aa-14dd-4690-9239-ca0263e41a63" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/SummaryofSignificantAccountingandReportingPoliciesInsurancePartnersContributionDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#SummaryofSignificantAccountingandReportingPoliciesInsurancePartnersContributionDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/SummaryofSignificantAccountingandReportingPoliciesInsurancePartnersContributionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_d3dc55a1-9257-4759-9724-f20cd0971020" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTable_c75677b1-74e6-4dc4-8b6e-047d59b1e3d5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_d3dc55a1-9257-4759-9724-f20cd0971020" xlink:to="loc_us-gaap_ConcentrationRiskTable_c75677b1-74e6-4dc4-8b6e-047d59b1e3d5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_fd203366-ff49-4603-a8d7-ed5e6069c166" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MajorCustomersAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_c75677b1-74e6-4dc4-8b6e-047d59b1e3d5" xlink:to="loc_srt_MajorCustomersAxis_fd203366-ff49-4603-a8d7-ed5e6069c166" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_fd203366-ff49-4603-a8d7-ed5e6069c166_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_fd203366-ff49-4603-a8d7-ed5e6069c166" xlink:to="loc_srt_NameOfMajorCustomerDomain_fd203366-ff49-4603-a8d7-ed5e6069c166_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_5e138380-ccfd-443a-9666-a96e96bd32fc" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_fd203366-ff49-4603-a8d7-ed5e6069c166" xlink:to="loc_srt_NameOfMajorCustomerDomain_5e138380-ccfd-443a-9666-a96e96bd32fc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_InsurancePartnerAMember_162421c7-4baf-4127-97d0-fe6b4d8d0509" xlink:href="lpro-20241231.xsd#lpro_InsurancePartnerAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_5e138380-ccfd-443a-9666-a96e96bd32fc" xlink:to="loc_lpro_InsurancePartnerAMember_162421c7-4baf-4127-97d0-fe6b4d8d0509" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_InsurancePartnerBMember_8b19361e-34fe-43f4-a331-e526e872ed34" xlink:href="lpro-20241231.xsd#lpro_InsurancePartnerBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_5e138380-ccfd-443a-9666-a96e96bd32fc" xlink:to="loc_lpro_InsurancePartnerBMember_8b19361e-34fe-43f4-a331-e526e872ed34" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_InsurancePartnerCMember_900cf145-b81d-4d3a-935d-fc1fa110ea42" xlink:href="lpro-20241231.xsd#lpro_InsurancePartnerCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_5e138380-ccfd-443a-9666-a96e96bd32fc" xlink:to="loc_lpro_InsurancePartnerCMember_900cf145-b81d-4d3a-935d-fc1fa110ea42" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_5772d259-bd2b-49ee-ba1b-bc2540529dde" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_c75677b1-74e6-4dc4-8b6e-047d59b1e3d5" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_5772d259-bd2b-49ee-ba1b-bc2540529dde" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_5772d259-bd2b-49ee-ba1b-bc2540529dde_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_5772d259-bd2b-49ee-ba1b-bc2540529dde" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_5772d259-bd2b-49ee-ba1b-bc2540529dde_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_389fa27e-a7ce-476b-81cb-6acb5ee2fdd9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_5772d259-bd2b-49ee-ba1b-bc2540529dde" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_389fa27e-a7ce-476b-81cb-6acb5ee2fdd9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerMember_6ef51f6e-e368-416c-8c84-ae81d0958802" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_389fa27e-a7ce-476b-81cb-6acb5ee2fdd9" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerMember_6ef51f6e-e368-416c-8c84-ae81d0958802" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_fb8ff2e7-3695-42a1-80f4-816e5a1ae747" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_c75677b1-74e6-4dc4-8b6e-047d59b1e3d5" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_fb8ff2e7-3695-42a1-80f4-816e5a1ae747" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_fb8ff2e7-3695-42a1-80f4-816e5a1ae747_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_fb8ff2e7-3695-42a1-80f4-816e5a1ae747" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_fb8ff2e7-3695-42a1-80f4-816e5a1ae747_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_09fcfa18-5bfa-4e76-b6c5-0fd061aea50b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_fb8ff2e7-3695-42a1-80f4-816e5a1ae747" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_09fcfa18-5bfa-4e76-b6c5-0fd061aea50b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_b55a5e87-1af0-40a7-ab44-d32216d182d5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CustomerConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_09fcfa18-5bfa-4e76-b6c5-0fd061aea50b" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_b55a5e87-1af0-40a7-ab44-d32216d182d5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_e70d26b4-fd44-4efc-954f-8efc239e048b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_d3dc55a1-9257-4759-9724-f20cd0971020" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_e70d26b4-fd44-4efc-954f-8efc239e048b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/ContractAssetsandExcessProfitShareReceiptsAdditionalInformationDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#ContractAssetsandExcessProfitShareReceiptsAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/ContractAssetsandExcessProfitShareReceiptsAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ContractWithCustomerAssetAndLiabilityLineItems_ff623472-5eb0-4e0f-a37e-74cba9bcf5e0" xlink:href="lpro-20241231.xsd#lpro_ContractWithCustomerAssetAndLiabilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ContractWithCustomerAssetAndLiabilityTable_d236156c-cb06-4e4d-864a-327bdae8d383" xlink:href="lpro-20241231.xsd#lpro_ContractWithCustomerAssetAndLiabilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_lpro_ContractWithCustomerAssetAndLiabilityLineItems_ff623472-5eb0-4e0f-a37e-74cba9bcf5e0" xlink:to="loc_lpro_ContractWithCustomerAssetAndLiabilityTable_d236156c-cb06-4e4d-864a-327bdae8d383" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_a8b163ae-701f-4c2c-8880-b35ea96f686a" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lpro_ContractWithCustomerAssetAndLiabilityTable_d236156c-cb06-4e4d-864a-327bdae8d383" xlink:to="loc_srt_ProductOrServiceAxis_a8b163ae-701f-4c2c-8880-b35ea96f686a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_a8b163ae-701f-4c2c-8880-b35ea96f686a_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_a8b163ae-701f-4c2c-8880-b35ea96f686a" xlink:to="loc_srt_ProductsAndServicesDomain_a8b163ae-701f-4c2c-8880-b35ea96f686a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_49b3f805-471f-4219-b020-93212304b34b" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_a8b163ae-701f-4c2c-8880-b35ea96f686a" xlink:to="loc_srt_ProductsAndServicesDomain_49b3f805-471f-4219-b020-93212304b34b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ChangeInEstimatedRevenueMember_31cc5c1b-19f9-4b15-a064-35691982e230" xlink:href="lpro-20241231.xsd#lpro_ChangeInEstimatedRevenueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_49b3f805-471f-4219-b020-93212304b34b" xlink:to="loc_lpro_ChangeInEstimatedRevenueMember_31cc5c1b-19f9-4b15-a064-35691982e230" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_92b41686-31b2-4986-bccc-c4177f2b6aff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lpro_ContractWithCustomerAssetAndLiabilityTable_d236156c-cb06-4e4d-864a-327bdae8d383" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_92b41686-31b2-4986-bccc-c4177f2b6aff" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_92b41686-31b2-4986-bccc-c4177f2b6aff_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_92b41686-31b2-4986-bccc-c4177f2b6aff" xlink:to="loc_us-gaap_SegmentDomain_92b41686-31b2-4986-bccc-c4177f2b6aff_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_6942bb15-d9df-4a38-b9a7-49987bf00c84" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_92b41686-31b2-4986-bccc-c4177f2b6aff" xlink:to="loc_us-gaap_SegmentDomain_6942bb15-d9df-4a38-b9a7-49987bf00c84" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ReportableSegmentMember_edaa107f-9c34-4b15-be07-a9eaf4b034c8" xlink:href="lpro-20241231.xsd#lpro_ReportableSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6942bb15-d9df-4a38-b9a7-49987bf00c84" xlink:to="loc_lpro_ReportableSegmentMember_edaa107f-9c34-4b15-be07-a9eaf4b034c8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_8b82671c-82ae-41ae-8005-70bf17ef78b8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ContractWithCustomerAssetAndLiabilityLineItems_ff623472-5eb0-4e0f-a37e-74cba9bcf5e0" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_8b82671c-82ae-41ae-8005-70bf17ef78b8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetNoncurrent_f1638be3-f0c3-4b20-9989-a85fb946ac00" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerAssetNetNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ContractWithCustomerAssetAndLiabilityLineItems_ff623472-5eb0-4e0f-a37e-74cba9bcf5e0" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetNoncurrent_f1638be3-f0c3-4b20-9989-a85fb946ac00" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_bb7811f6-a1ac-4049-8bb3-401967a22a0d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ContractWithCustomerAssetAndLiabilityLineItems_ff623472-5eb0-4e0f-a37e-74cba9bcf5e0" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_bb7811f6-a1ac-4049-8bb3-401967a22a0d" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/ContractAssetsandExcessProfitShareReceiptsSummaryofContractAssetsDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#ContractAssetsandExcessProfitShareReceiptsSummaryofContractAssetsDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/ContractAssetsandExcessProfitShareReceiptsSummaryofContractAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ContractWithCustomerAssetAndLiabilityLineItems_2f79c69c-5634-4add-aac4-69fcf71f3150" xlink:href="lpro-20241231.xsd#lpro_ContractWithCustomerAssetAndLiabilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ContractWithCustomerAssetAndLiabilityTable_6a32cd84-7cd7-4d6f-b286-732bd56b068a" xlink:href="lpro-20241231.xsd#lpro_ContractWithCustomerAssetAndLiabilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_lpro_ContractWithCustomerAssetAndLiabilityLineItems_2f79c69c-5634-4add-aac4-69fcf71f3150" xlink:to="loc_lpro_ContractWithCustomerAssetAndLiabilityTable_6a32cd84-7cd7-4d6f-b286-732bd56b068a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_db269529-de9d-4346-98d2-f77212e62bf7" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lpro_ContractWithCustomerAssetAndLiabilityTable_6a32cd84-7cd7-4d6f-b286-732bd56b068a" xlink:to="loc_srt_ProductOrServiceAxis_db269529-de9d-4346-98d2-f77212e62bf7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_db269529-de9d-4346-98d2-f77212e62bf7_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_db269529-de9d-4346-98d2-f77212e62bf7" xlink:to="loc_srt_ProductsAndServicesDomain_db269529-de9d-4346-98d2-f77212e62bf7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_93258007-5bf9-4c99-a5cf-0e53202d04bf" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_db269529-de9d-4346-98d2-f77212e62bf7" xlink:to="loc_srt_ProductsAndServicesDomain_93258007-5bf9-4c99-a5cf-0e53202d04bf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ProfitShareMember_a3eb2188-459a-4927-953c-4a41bf92f7fe" xlink:href="lpro-20241231.xsd#lpro_ProfitShareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_93258007-5bf9-4c99-a5cf-0e53202d04bf" xlink:to="loc_lpro_ProfitShareMember_a3eb2188-459a-4927-953c-4a41bf92f7fe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ProgramFeeMember_a4e2bf65-e78c-4995-993b-dd6b27da6e3a" xlink:href="lpro-20241231.xsd#lpro_ProgramFeeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_93258007-5bf9-4c99-a5cf-0e53202d04bf" xlink:to="loc_lpro_ProgramFeeMember_a4e2bf65-e78c-4995-993b-dd6b27da6e3a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_TpaFeeMember_9bc4e034-a823-45d3-b598-1ab40d7eac67" xlink:href="lpro-20241231.xsd#lpro_TpaFeeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_93258007-5bf9-4c99-a5cf-0e53202d04bf" xlink:to="loc_lpro_TpaFeeMember_9bc4e034-a823-45d3-b598-1ab40d7eac67" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_FutureClaimPaymentsAndPreviousProfitShareReceiptsMember_949cde48-2874-4bea-a828-4b6eb36f5311" xlink:href="lpro-20241231.xsd#lpro_FutureClaimPaymentsAndPreviousProfitShareReceiptsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_93258007-5bf9-4c99-a5cf-0e53202d04bf" xlink:to="loc_lpro_FutureClaimPaymentsAndPreviousProfitShareReceiptsMember_949cde48-2874-4bea-a828-4b6eb36f5311" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ContractWithCustomerAssetRollForward_41f560fb-59bc-4faf-bfc8-fc0f276ae03f" xlink:href="lpro-20241231.xsd#lpro_ContractWithCustomerAssetRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ContractWithCustomerAssetAndLiabilityLineItems_2f79c69c-5634-4add-aac4-69fcf71f3150" xlink:to="loc_lpro_ContractWithCustomerAssetRollForward_41f560fb-59bc-4faf-bfc8-fc0f276ae03f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNet_b5fd5ad4-7489-47a5-9816-736eab4aed8d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerAssetNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ContractWithCustomerAssetRollForward_41f560fb-59bc-4faf-bfc8-fc0f276ae03f" xlink:to="loc_us-gaap_ContractWithCustomerAssetNet_b5fd5ad4-7489-47a5-9816-736eab4aed8d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ContractWithCustomerAssetAdditions_b73d9fa5-8331-4049-bb2a-82320af65b24" xlink:href="lpro-20241231.xsd#lpro_ContractWithCustomerAssetAdditions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ContractWithCustomerAssetRollForward_41f560fb-59bc-4faf-bfc8-fc0f276ae03f" xlink:to="loc_lpro_ContractWithCustomerAssetAdditions_b73d9fa5-8331-4049-bb2a-82320af65b24" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice_cb52d936-0346-452f-8236-3588326b2449" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ContractWithCustomerAssetRollForward_41f560fb-59bc-4faf-bfc8-fc0f276ae03f" xlink:to="loc_us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice_cb52d936-0346-452f-8236-3588326b2449" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ContractWithCustomerAssetReclassifiedToReceivablePayable_9b311af8-f085-492b-b4d1-0c813b8472f5" xlink:href="lpro-20241231.xsd#lpro_ContractWithCustomerAssetReclassifiedToReceivablePayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ContractWithCustomerAssetRollForward_41f560fb-59bc-4faf-bfc8-fc0f276ae03f" xlink:to="loc_lpro_ContractWithCustomerAssetReclassifiedToReceivablePayable_9b311af8-f085-492b-b4d1-0c813b8472f5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ContractWithCustomerAssetPaymentsReceivedFromInsuranceCarriers_a2c3bc05-658c-4ed9-bf2c-f0fa3ef466c1" xlink:href="lpro-20241231.xsd#lpro_ContractWithCustomerAssetPaymentsReceivedFromInsuranceCarriers"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ContractWithCustomerAssetRollForward_41f560fb-59bc-4faf-bfc8-fc0f276ae03f" xlink:to="loc_lpro_ContractWithCustomerAssetPaymentsReceivedFromInsuranceCarriers_a2c3bc05-658c-4ed9-bf2c-f0fa3ef466c1" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetCreditLossExpense_34c9c60c-3657-496a-ad54-25a2cc063fd3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerAssetCreditLossExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ContractWithCustomerAssetRollForward_41f560fb-59bc-4faf-bfc8-fc0f276ae03f" xlink:to="loc_us-gaap_ContractWithCustomerAssetCreditLossExpense_34c9c60c-3657-496a-ad54-25a2cc063fd3" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNet_e5c341e0-4785-4fc7-83ed-e6e9cb125cad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerAssetNet"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/ContractAssetsandExcessProfitShareReceiptsExcessProfitShareReceiptsDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#ContractAssetsandExcessProfitShareReceiptsExcessProfitShareReceiptsDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/ContractAssetsandExcessProfitShareReceiptsExcessProfitShareReceiptsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ContractWithCustomerAssetAndLiabilityLineItems_99fc3c9c-5560-4332-a89e-0506556c663b" xlink:href="lpro-20241231.xsd#lpro_ContractWithCustomerAssetAndLiabilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ContractWithCustomerAssetAndLiabilityTable_5b1d5ab9-9e63-481a-ba3f-3b1bfb19d361" xlink:href="lpro-20241231.xsd#lpro_ContractWithCustomerAssetAndLiabilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_lpro_ContractWithCustomerAssetAndLiabilityLineItems_99fc3c9c-5560-4332-a89e-0506556c663b" xlink:to="loc_lpro_ContractWithCustomerAssetAndLiabilityTable_5b1d5ab9-9e63-481a-ba3f-3b1bfb19d361" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_e6e8137a-70cd-4c6e-abd0-f1bab1fce569" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lpro_ContractWithCustomerAssetAndLiabilityTable_5b1d5ab9-9e63-481a-ba3f-3b1bfb19d361" xlink:to="loc_srt_ProductOrServiceAxis_e6e8137a-70cd-4c6e-abd0-f1bab1fce569" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_e6e8137a-70cd-4c6e-abd0-f1bab1fce569_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_e6e8137a-70cd-4c6e-abd0-f1bab1fce569" xlink:to="loc_srt_ProductsAndServicesDomain_e6e8137a-70cd-4c6e-abd0-f1bab1fce569_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_79214da7-3374-46d3-9ff7-5655660d1f93" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_e6e8137a-70cd-4c6e-abd0-f1bab1fce569" xlink:to="loc_srt_ProductsAndServicesDomain_79214da7-3374-46d3-9ff7-5655660d1f93" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ProfitShareMember_187691b7-59cc-418a-952a-f5b9d0a613d2" xlink:href="lpro-20241231.xsd#lpro_ProfitShareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_79214da7-3374-46d3-9ff7-5655660d1f93" xlink:to="loc_lpro_ProfitShareMember_187691b7-59cc-418a-952a-f5b9d0a613d2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ChangeInEstimatedRevenueMember_5a68aea9-352a-4dd5-9ccc-09a7bb7c08fb" xlink:href="lpro-20241231.xsd#lpro_ChangeInEstimatedRevenueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ProfitShareMember_187691b7-59cc-418a-952a-f5b9d0a613d2" xlink:to="loc_lpro_ChangeInEstimatedRevenueMember_5a68aea9-352a-4dd5-9ccc-09a7bb7c08fb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_400a558d-cd1f-4013-b2a8-d24a2022bcab" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ContractWithCustomerAssetAndLiabilityLineItems_99fc3c9c-5560-4332-a89e-0506556c663b" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_400a558d-cd1f-4013-b2a8-d24a2022bcab" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ChangeInCustomerRefundLiabilityRollForward_1af3fa25-1171-4cb8-b9c8-f98031c5ef5b" xlink:href="lpro-20241231.xsd#lpro_ChangeInCustomerRefundLiabilityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ContractWithCustomerAssetAndLiabilityLineItems_99fc3c9c-5560-4332-a89e-0506556c663b" xlink:to="loc_lpro_ChangeInCustomerRefundLiabilityRollForward_1af3fa25-1171-4cb8-b9c8-f98031c5ef5b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_CustomerRefundLiability_8bc3404d-66c9-4108-be81-ed9c267246d9" xlink:href="lpro-20241231.xsd#lpro_CustomerRefundLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ChangeInCustomerRefundLiabilityRollForward_1af3fa25-1171-4cb8-b9c8-f98031c5ef5b" xlink:to="loc_lpro_CustomerRefundLiability_8bc3404d-66c9-4108-be81-ed9c267246d9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_CustomerRefundLiabilityChangeInEstimates_bea5cab6-1b87-41ea-b34f-1efb90ac14bb" xlink:href="lpro-20241231.xsd#lpro_CustomerRefundLiabilityChangeInEstimates"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ChangeInCustomerRefundLiabilityRollForward_1af3fa25-1171-4cb8-b9c8-f98031c5ef5b" xlink:to="loc_lpro_CustomerRefundLiabilityChangeInEstimates_bea5cab6-1b87-41ea-b34f-1efb90ac14bb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_CustomerRefundLiabilityPaymentsFromInsurance_05004ca4-f881-4980-afc4-fa60d389345c" xlink:href="lpro-20241231.xsd#lpro_CustomerRefundLiabilityPaymentsFromInsurance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ChangeInCustomerRefundLiabilityRollForward_1af3fa25-1171-4cb8-b9c8-f98031c5ef5b" xlink:to="loc_lpro_CustomerRefundLiabilityPaymentsFromInsurance_05004ca4-f881-4980-afc4-fa60d389345c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_CustomerRefundLiability_9c444309-fadd-474e-8cff-76b5faa1c9c8" xlink:href="lpro-20241231.xsd#lpro_CustomerRefundLiability"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/LongtermDebtScheduleofLongtermDebtInstrumentsDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#LongtermDebtScheduleofLongtermDebtInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/LongtermDebtScheduleofLongtermDebtInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_7494a50f-2d07-4f64-954a-94f9abba1d35" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_afd43d87-2b58-4615-a74c-7c5a907e1dea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7494a50f-2d07-4f64-954a-94f9abba1d35" xlink:to="loc_us-gaap_DebtInstrumentTable_afd43d87-2b58-4615-a74c-7c5a907e1dea" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_e14bbd64-0e11-4332-ade8-c28a0ccbae56" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_afd43d87-2b58-4615-a74c-7c5a907e1dea" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_e14bbd64-0e11-4332-ade8-c28a0ccbae56" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_e14bbd64-0e11-4332-ade8-c28a0ccbae56_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_e14bbd64-0e11-4332-ade8-c28a0ccbae56" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_e14bbd64-0e11-4332-ade8-c28a0ccbae56_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_96443985-c381-4ccf-8734-6d0cc3402cc1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_e14bbd64-0e11-4332-ade8-c28a0ccbae56" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_96443985-c381-4ccf-8734-6d0cc3402cc1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MediumTermNotesMember_a522729a-e783-4c64-93c1-6c15cfb10b8c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MediumTermNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_96443985-c381-4ccf-8734-6d0cc3402cc1" xlink:to="loc_us-gaap_MediumTermNotesMember_a522729a-e783-4c64-93c1-6c15cfb10b8c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_4b75af21-c7b8-45c4-8001-a34cc649d906" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_96443985-c381-4ccf-8734-6d0cc3402cc1" xlink:to="loc_us-gaap_LineOfCreditMember_4b75af21-c7b8-45c4-8001-a34cc649d906" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_938e7414-c503-4a3b-99bc-d91bdce8037f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_afd43d87-2b58-4615-a74c-7c5a907e1dea" xlink:to="loc_us-gaap_DebtInstrumentAxis_938e7414-c503-4a3b-99bc-d91bdce8037f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_938e7414-c503-4a3b-99bc-d91bdce8037f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_938e7414-c503-4a3b-99bc-d91bdce8037f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_938e7414-c503-4a3b-99bc-d91bdce8037f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_80cc7aae-d066-431a-a3e4-f05568d3dc75" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_938e7414-c503-4a3b-99bc-d91bdce8037f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_80cc7aae-d066-431a-a3e4-f05568d3dc75" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_TermLoanDue2027Member_111b8e11-727a-4323-a35c-3cbf061d9d87" xlink:href="lpro-20241231.xsd#lpro_TermLoanDue2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_80cc7aae-d066-431a-a3e4-f05568d3dc75" xlink:to="loc_lpro_TermLoanDue2027Member_111b8e11-727a-4323-a35c-3cbf061d9d87" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_f6c8e3e3-4fc4-439e-8384-1f2e3b721141" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_afd43d87-2b58-4615-a74c-7c5a907e1dea" xlink:to="loc_us-gaap_CreditFacilityAxis_f6c8e3e3-4fc4-439e-8384-1f2e3b721141" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_f6c8e3e3-4fc4-439e-8384-1f2e3b721141_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_f6c8e3e3-4fc4-439e-8384-1f2e3b721141" xlink:to="loc_us-gaap_CreditFacilityDomain_f6c8e3e3-4fc4-439e-8384-1f2e3b721141_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_30a25af2-5687-46f0-8e4e-7a671d85a267" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_f6c8e3e3-4fc4-439e-8384-1f2e3b721141" xlink:to="loc_us-gaap_CreditFacilityDomain_30a25af2-5687-46f0-8e4e-7a671d85a267" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_ae04f541-1ac1-4be3-a3e6-1d1149e79d70" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_30a25af2-5687-46f0-8e4e-7a671d85a267" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_ae04f541-1ac1-4be3-a3e6-1d1149e79d70" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_69b07b9a-263c-4fd1-9231-1a7455dfbe87" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7494a50f-2d07-4f64-954a-94f9abba1d35" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_69b07b9a-263c-4fd1-9231-1a7455dfbe87" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_5c396c6e-7750-4ccd-9178-b08f6f81dca5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7494a50f-2d07-4f64-954a-94f9abba1d35" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_5c396c6e-7750-4ccd-9178-b08f6f81dca5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_338a2bde-c62e-4687-b7fe-522017fca18e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7494a50f-2d07-4f64-954a-94f9abba1d35" xlink:to="loc_us-gaap_LongTermDebt_338a2bde-c62e-4687-b7fe-522017fca18e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_e936082e-0035-44b2-a501-b90d057f21d4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7494a50f-2d07-4f64-954a-94f9abba1d35" xlink:to="loc_us-gaap_LongTermDebtCurrent_e936082e-0035-44b2-a501-b90d057f21d4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_66ed0d29-3d47-493d-87de-ee410edf9f35" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7494a50f-2d07-4f64-954a-94f9abba1d35" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_66ed0d29-3d47-493d-87de-ee410edf9f35" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/LongtermDebtAdditionalInformationDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#LongtermDebtAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/LongtermDebtAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_4d65e020-c19d-42af-b376-cb4a7fd6ba8c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_b8ccd70b-5104-48fc-85ed-47de7ae7af6d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4d65e020-c19d-42af-b376-cb4a7fd6ba8c" xlink:to="loc_us-gaap_DebtInstrumentTable_b8ccd70b-5104-48fc-85ed-47de7ae7af6d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_c3b9e49b-3bc5-4114-809b-0b9b8fea5ff8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b8ccd70b-5104-48fc-85ed-47de7ae7af6d" xlink:to="loc_us-gaap_DebtInstrumentAxis_c3b9e49b-3bc5-4114-809b-0b9b8fea5ff8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_c3b9e49b-3bc5-4114-809b-0b9b8fea5ff8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_c3b9e49b-3bc5-4114-809b-0b9b8fea5ff8" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_c3b9e49b-3bc5-4114-809b-0b9b8fea5ff8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_dff3d177-fe09-4577-a2f1-a51f726454ad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_c3b9e49b-3bc5-4114-809b-0b9b8fea5ff8" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_dff3d177-fe09-4577-a2f1-a51f726454ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_NewCreditAgreementMember_30ab862c-c150-4edc-adda-70ff33c117af" xlink:href="lpro-20241231.xsd#lpro_NewCreditAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dff3d177-fe09-4577-a2f1-a51f726454ad" xlink:to="loc_lpro_NewCreditAgreementMember_30ab862c-c150-4edc-adda-70ff33c117af" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_fe03f24c-3254-4d24-a3c7-d35c160aa4fc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b8ccd70b-5104-48fc-85ed-47de7ae7af6d" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_fe03f24c-3254-4d24-a3c7-d35c160aa4fc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_fe03f24c-3254-4d24-a3c7-d35c160aa4fc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_fe03f24c-3254-4d24-a3c7-d35c160aa4fc" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_fe03f24c-3254-4d24-a3c7-d35c160aa4fc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_d5631e4f-a4af-45f6-9612-246828cf5a5d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_fe03f24c-3254-4d24-a3c7-d35c160aa4fc" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_d5631e4f-a4af-45f6-9612-246828cf5a5d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MediumTermNotesMember_9c93c714-21fd-4d28-b2c4-fbdf2f7a8ad6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MediumTermNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_d5631e4f-a4af-45f6-9612-246828cf5a5d" xlink:to="loc_us-gaap_MediumTermNotesMember_9c93c714-21fd-4d28-b2c4-fbdf2f7a8ad6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_b6c46f37-82f6-43a7-bfe3-9bce27d1b8e8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_d5631e4f-a4af-45f6-9612-246828cf5a5d" xlink:to="loc_us-gaap_LineOfCreditMember_b6c46f37-82f6-43a7-bfe3-9bce27d1b8e8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_6a282b7b-ca92-4910-a3a7-869f4ef4142f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b8ccd70b-5104-48fc-85ed-47de7ae7af6d" xlink:to="loc_us-gaap_CreditFacilityAxis_6a282b7b-ca92-4910-a3a7-869f4ef4142f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_6a282b7b-ca92-4910-a3a7-869f4ef4142f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_6a282b7b-ca92-4910-a3a7-869f4ef4142f" xlink:to="loc_us-gaap_CreditFacilityDomain_6a282b7b-ca92-4910-a3a7-869f4ef4142f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_96df1de5-8f73-4e1a-bd44-2ed0bd376c18" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_6a282b7b-ca92-4910-a3a7-869f4ef4142f" xlink:to="loc_us-gaap_CreditFacilityDomain_96df1de5-8f73-4e1a-bd44-2ed0bd376c18" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_41df26c2-f311-4166-9123-6c91db028861" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_96df1de5-8f73-4e1a-bd44-2ed0bd376c18" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_41df26c2-f311-4166-9123-6c91db028861" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_388a16f5-3c55-46ed-ad40-56f777ec9aab" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b8ccd70b-5104-48fc-85ed-47de7ae7af6d" xlink:to="loc_us-gaap_VariableRateAxis_388a16f5-3c55-46ed-ad40-56f777ec9aab" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_388a16f5-3c55-46ed-ad40-56f777ec9aab_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_388a16f5-3c55-46ed-ad40-56f777ec9aab" xlink:to="loc_us-gaap_VariableRateDomain_388a16f5-3c55-46ed-ad40-56f777ec9aab_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_78f2550b-591f-4848-980b-70ca6274cf0e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_388a16f5-3c55-46ed-ad40-56f777ec9aab" xlink:to="loc_us-gaap_VariableRateDomain_78f2550b-591f-4848-980b-70ca6274cf0e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BaseRateMember_871b3ae0-5393-4db3-adb3-a11b7223e6ca" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BaseRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_78f2550b-591f-4848-980b-70ca6274cf0e" xlink:to="loc_us-gaap_BaseRateMember_871b3ae0-5393-4db3-adb3-a11b7223e6ca" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_257095f1-c87a-44d2-97c2-e93fb4cf95bf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SecuredOvernightFinancingRateSofrMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_78f2550b-591f-4848-980b-70ca6274cf0e" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_257095f1-c87a-44d2-97c2-e93fb4cf95bf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_14b457b4-7ae9-48f1-902e-3c0bd9946a36" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b8ccd70b-5104-48fc-85ed-47de7ae7af6d" xlink:to="loc_srt_RangeAxis_14b457b4-7ae9-48f1-902e-3c0bd9946a36" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_14b457b4-7ae9-48f1-902e-3c0bd9946a36_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_14b457b4-7ae9-48f1-902e-3c0bd9946a36" xlink:to="loc_srt_RangeMember_14b457b4-7ae9-48f1-902e-3c0bd9946a36_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_5022ef4d-1e4f-42c7-8a74-5c1ebfef25ec" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_14b457b4-7ae9-48f1-902e-3c0bd9946a36" xlink:to="loc_srt_RangeMember_5022ef4d-1e4f-42c7-8a74-5c1ebfef25ec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_3bcb4576-768a-43de-97c4-903576c2f54c" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_5022ef4d-1e4f-42c7-8a74-5c1ebfef25ec" xlink:to="loc_srt_MinimumMember_3bcb4576-768a-43de-97c4-903576c2f54c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_b8321975-21c9-4373-80e1-74fd8cce08b6" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_5022ef4d-1e4f-42c7-8a74-5c1ebfef25ec" xlink:to="loc_srt_MaximumMember_b8321975-21c9-4373-80e1-74fd8cce08b6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_DebtInstrumentCovenantComplianceAxis_60ce7bd4-18f1-4a7d-8cf5-7818928c44c2" xlink:href="lpro-20241231.xsd#lpro_DebtInstrumentCovenantComplianceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b8ccd70b-5104-48fc-85ed-47de7ae7af6d" xlink:to="loc_lpro_DebtInstrumentCovenantComplianceAxis_60ce7bd4-18f1-4a7d-8cf5-7818928c44c2" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_DebtInstrumentCovenantComplianceDomain_60ce7bd4-18f1-4a7d-8cf5-7818928c44c2_default" xlink:href="lpro-20241231.xsd#lpro_DebtInstrumentCovenantComplianceDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_lpro_DebtInstrumentCovenantComplianceAxis_60ce7bd4-18f1-4a7d-8cf5-7818928c44c2" xlink:to="loc_lpro_DebtInstrumentCovenantComplianceDomain_60ce7bd4-18f1-4a7d-8cf5-7818928c44c2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_DebtInstrumentCovenantComplianceDomain_5284e2d0-cdcd-4008-ace4-8e7789a2053f" xlink:href="lpro-20241231.xsd#lpro_DebtInstrumentCovenantComplianceDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_lpro_DebtInstrumentCovenantComplianceAxis_60ce7bd4-18f1-4a7d-8cf5-7818928c44c2" xlink:to="loc_lpro_DebtInstrumentCovenantComplianceDomain_5284e2d0-cdcd-4008-ace4-8e7789a2053f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_FiscalQuarterEndingAfterJune302024Member_1329a4ca-a789-4a99-910b-b43f2c1707f3" xlink:href="lpro-20241231.xsd#lpro_FiscalQuarterEndingAfterJune302024Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_DebtInstrumentCovenantComplianceDomain_5284e2d0-cdcd-4008-ace4-8e7789a2053f" xlink:to="loc_lpro_FiscalQuarterEndingAfterJune302024Member_1329a4ca-a789-4a99-910b-b43f2c1707f3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_508fbf89-aca1-4e2c-9aab-24bf1dd39ad6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4d65e020-c19d-42af-b376-cb4a7fd6ba8c" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_508fbf89-aca1-4e2c-9aab-24bf1dd39ad6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8393a4ce-0af6-4316-a856-88fa83eeba89" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4d65e020-c19d-42af-b376-cb4a7fd6ba8c" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8393a4ce-0af6-4316-a856-88fa83eeba89" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_ab78d8dc-d24b-4321-8c7e-b317db104043" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4d65e020-c19d-42af-b376-cb4a7fd6ba8c" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_ab78d8dc-d24b-4321-8c7e-b317db104043" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_621255eb-5698-44d1-8527-436a2f0807ae" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4d65e020-c19d-42af-b376-cb4a7fd6ba8c" xlink:to="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_621255eb-5698-44d1-8527-436a2f0807ae" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_DebtInstrumentVariableRatePercentage_2eaf4f66-f89e-4d9d-9c7a-d1c23249212c" xlink:href="lpro-20241231.xsd#lpro_DebtInstrumentVariableRatePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4d65e020-c19d-42af-b376-cb4a7fd6ba8c" xlink:to="loc_lpro_DebtInstrumentVariableRatePercentage_2eaf4f66-f89e-4d9d-9c7a-d1c23249212c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeeAmount_af3c7391-1ee5-4369-bb16-01437f0b6b53" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityCommitmentFeeAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4d65e020-c19d-42af-b376-cb4a7fd6ba8c" xlink:to="loc_us-gaap_LineOfCreditFacilityCommitmentFeeAmount_af3c7391-1ee5-4369-bb16-01437f0b6b53" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_b83377e1-1d7d-40e5-8b7e-f50f1becc569" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4d65e020-c19d-42af-b376-cb4a7fd6ba8c" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_b83377e1-1d7d-40e5-8b7e-f50f1becc569" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_58943eb9-d486-4086-8b91-ee56ae7118b8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4d65e020-c19d-42af-b376-cb4a7fd6ba8c" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_58943eb9-d486-4086-8b91-ee56ae7118b8" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_DebtInstrumentCovenantTotalNetLeverageRatioMaximum_7ba04a8d-6eca-41e4-b7d7-3093ebd391a3" xlink:href="lpro-20241231.xsd#lpro_DebtInstrumentCovenantTotalNetLeverageRatioMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4d65e020-c19d-42af-b376-cb4a7fd6ba8c" xlink:to="loc_lpro_DebtInstrumentCovenantTotalNetLeverageRatioMaximum_7ba04a8d-6eca-41e4-b7d7-3093ebd391a3" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_DebtInstrumentCovenantFixedChargeCoverageRatioMinimum_1df29218-90f6-424e-9254-015d0bdfbbb1" xlink:href="lpro-20241231.xsd#lpro_DebtInstrumentCovenantFixedChargeCoverageRatioMinimum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4d65e020-c19d-42af-b376-cb4a7fd6ba8c" xlink:to="loc_lpro_DebtInstrumentCovenantFixedChargeCoverageRatioMinimum_1df29218-90f6-424e-9254-015d0bdfbbb1" xlink:type="arc" order="9"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/StockholdersEquityAdditionalInformationDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#StockholdersEquityAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/StockholdersEquityAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_9eab9834-080d-41e5-82f8-74a019a625ec" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_3e6b19c5-d08a-4c10-ae83-bc35a08d02c5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_9eab9834-080d-41e5-82f8-74a019a625ec" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_3e6b19c5-d08a-4c10-ae83-bc35a08d02c5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_b96225b2-8fc6-438c-9145-d2047b2e35d0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_3e6b19c5-d08a-4c10-ae83-bc35a08d02c5" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_b96225b2-8fc6-438c-9145-d2047b2e35d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_b96225b2-8fc6-438c-9145-d2047b2e35d0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_b96225b2-8fc6-438c-9145-d2047b2e35d0" xlink:to="loc_us-gaap_EquityComponentDomain_b96225b2-8fc6-438c-9145-d2047b2e35d0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_3fb5fbba-c2e6-4bc5-9985-b84fff232929" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_b96225b2-8fc6-438c-9145-d2047b2e35d0" xlink:to="loc_us-gaap_EquityComponentDomain_3fb5fbba-c2e6-4bc5-9985-b84fff232929" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_a3f889e5-8337-4ddd-98e1-a7c9a8e9df02" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_3fb5fbba-c2e6-4bc5-9985-b84fff232929" xlink:to="loc_us-gaap_TreasuryStockCommonMember_a3f889e5-8337-4ddd-98e1-a7c9a8e9df02" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_04c0dc2b-d950-46e0-8052-00b1987c5fa4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_3fb5fbba-c2e6-4bc5-9985-b84fff232929" xlink:to="loc_us-gaap_CommonStockMember_04c0dc2b-d950-46e0-8052-00b1987c5fa4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_b0a236fa-ec4c-4497-afde-29b66a5bba42" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9eab9834-080d-41e5-82f8-74a019a625ec" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_b0a236fa-ec4c-4497-afde-29b66a5bba42" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_f8a722f4-dc6f-4fea-ad32-102be0c08f3b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9eab9834-080d-41e5-82f8-74a019a625ec" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_f8a722f4-dc6f-4fea-ad32-102be0c08f3b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_44870f87-dd8e-435c-bca3-701811035c75" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9eab9834-080d-41e5-82f8-74a019a625ec" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_44870f87-dd8e-435c-bca3-701811035c75" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StockRepurchaseProgramAuthorizedAmount1_befb9338-d098-40c9-9190-1c82d9af2df3" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StockRepurchaseProgramAuthorizedAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9eab9834-080d-41e5-82f8-74a019a625ec" xlink:to="loc_srt_StockRepurchaseProgramAuthorizedAmount1_befb9338-d098-40c9-9190-1c82d9af2df3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_3c0c589d-de87-4201-a622-5041958a4687" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9eab9834-080d-41e5-82f8-74a019a625ec" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_3c0c589d-de87-4201-a622-5041958a4687" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_e1a9aefc-d500-43cc-a3c7-74f23a5d0d73" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9eab9834-080d-41e5-82f8-74a019a625ec" xlink:to="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_e1a9aefc-d500-43cc-a3c7-74f23a5d0d73" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_TreasuryStockValueAcquiredNetOfExciseTax_8fa295a1-1e07-4650-874d-708c2680884b" xlink:href="lpro-20241231.xsd#lpro_TreasuryStockValueAcquiredNetOfExciseTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9eab9834-080d-41e5-82f8-74a019a625ec" xlink:to="loc_lpro_TreasuryStockValueAcquiredNetOfExciseTax_8fa295a1-1e07-4650-874d-708c2680884b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareRepurchaseProgramExciseTax_dbd487b5-5a4d-4c9f-a8e9-8ba14da91f3d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareRepurchaseProgramExciseTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9eab9834-080d-41e5-82f8-74a019a625ec" xlink:to="loc_us-gaap_ShareRepurchaseProgramExciseTax_dbd487b5-5a4d-4c9f-a8e9-8ba14da91f3d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_75497b06-3396-46a7-993f-efb473f33bec" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchasedDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9eab9834-080d-41e5-82f8-74a019a625ec" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_75497b06-3396-46a7-993f-efb473f33bec" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_dbd34dd5-8f50-4a54-b6d5-9eae40045aa0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9eab9834-080d-41e5-82f8-74a019a625ec" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_dbd34dd5-8f50-4a54-b6d5-9eae40045aa0" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_f1fd5da4-f89e-488b-aa71-51ecef7a7c07" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9eab9834-080d-41e5-82f8-74a019a625ec" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_f1fd5da4-f89e-488b-aa71-51ecef7a7c07" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/ShareBasedCompensationAdditionalInformationDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#ShareBasedCompensationAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/ShareBasedCompensationAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e10a462f-8a88-418c-a88c-a82a51f93f25" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_25f33f56-fcb4-4591-a82d-d731fbad3fb5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e10a462f-8a88-418c-a88c-a82a51f93f25" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_25f33f56-fcb4-4591-a82d-d731fbad3fb5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_c95750a6-e9bb-4260-af95-266d07e6b90f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_25f33f56-fcb4-4591-a82d-d731fbad3fb5" xlink:to="loc_us-gaap_PlanNameAxis_c95750a6-e9bb-4260-af95-266d07e6b90f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_c95750a6-e9bb-4260-af95-266d07e6b90f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_c95750a6-e9bb-4260-af95-266d07e6b90f" xlink:to="loc_us-gaap_PlanNameDomain_c95750a6-e9bb-4260-af95-266d07e6b90f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_dfe21283-3470-4a91-98d9-b3a120f63778" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_c95750a6-e9bb-4260-af95-266d07e6b90f" xlink:to="loc_us-gaap_PlanNameDomain_dfe21283-3470-4a91-98d9-b3a120f63778" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_StockOptionAndIncentivePlan2020Member_db980dda-b53e-480b-8579-faa7dbf37c74" xlink:href="lpro-20241231.xsd#lpro_StockOptionAndIncentivePlan2020Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_dfe21283-3470-4a91-98d9-b3a120f63778" xlink:to="loc_lpro_StockOptionAndIncentivePlan2020Member_db980dda-b53e-480b-8579-faa7dbf37c74" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_68cbb79d-8b1b-4e20-8d1c-5f26224cc677" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_25f33f56-fcb4-4591-a82d-d731fbad3fb5" xlink:to="loc_us-gaap_AwardTypeAxis_68cbb79d-8b1b-4e20-8d1c-5f26224cc677" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_68cbb79d-8b1b-4e20-8d1c-5f26224cc677_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_68cbb79d-8b1b-4e20-8d1c-5f26224cc677" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_68cbb79d-8b1b-4e20-8d1c-5f26224cc677_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_50ec742b-c784-4805-b9a9-179757368fc6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_68cbb79d-8b1b-4e20-8d1c-5f26224cc677" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_50ec742b-c784-4805-b9a9-179757368fc6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_TimeBasedRestrictedStockUnitsMember_2c22817f-4370-48ba-b405-1af9b70ea2b8" xlink:href="lpro-20241231.xsd#lpro_TimeBasedRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_50ec742b-c784-4805-b9a9-179757368fc6" xlink:to="loc_lpro_TimeBasedRestrictedStockUnitsMember_2c22817f-4370-48ba-b405-1af9b70ea2b8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_PerformanceBasedRestrictedStockUnitsMember_41ff9677-c859-41a4-842d-d4ec61849800" xlink:href="lpro-20241231.xsd#lpro_PerformanceBasedRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_50ec742b-c784-4805-b9a9-179757368fc6" xlink:to="loc_lpro_PerformanceBasedRestrictedStockUnitsMember_41ff9677-c859-41a4-842d-d4ec61849800" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_703b63ee-57a7-4e84-a115-57bb9063c4d3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e10a462f-8a88-418c-a88c-a82a51f93f25" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_703b63ee-57a7-4e84-a115-57bb9063c4d3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_eb200d1a-1653-4c7b-8ddc-0780e6bba783" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e10a462f-8a88-418c-a88c-a82a51f93f25" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_eb200d1a-1653-4c7b-8ddc-0780e6bba783" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_0ec2b260-d09e-4b6d-b0b6-f3e82623b93c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e10a462f-8a88-418c-a88c-a82a51f93f25" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_0ec2b260-d09e-4b6d-b0b6-f3e82623b93c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingRightsTargetPercentage_26a547a7-c082-4158-aeb2-de87b800d14d" xlink:href="lpro-20241231.xsd#lpro_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingRightsTargetPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e10a462f-8a88-418c-a88c-a82a51f93f25" xlink:to="loc_lpro_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingRightsTargetPercentage_26a547a7-c082-4158-aeb2-de87b800d14d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_40b0deee-4a6d-4704-b233-6049327009cf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e10a462f-8a88-418c-a88c-a82a51f93f25" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_40b0deee-4a6d-4704-b233-6049327009cf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_d4568ecb-f3b6-47f8-b96e-419e948a5748" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e10a462f-8a88-418c-a88c-a82a51f93f25" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_d4568ecb-f3b6-47f8-b96e-419e948a5748" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_6f612299-274f-48e2-b8c4-062a36c25091" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e10a462f-8a88-418c-a88c-a82a51f93f25" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_6f612299-274f-48e2-b8c4-062a36c25091" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/ShareBasedCompensationSharebasedCompensationExpensebyAwardTypeDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#ShareBasedCompensationSharebasedCompensationExpensebyAwardTypeDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/ShareBasedCompensationSharebasedCompensationExpensebyAwardTypeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_3a7f617e-ce00-4b1e-9c5c-493edd79a1b5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_9e128306-7992-49c5-9990-aec4f3a0b7b6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_3a7f617e-ce00-4b1e-9c5c-493edd79a1b5" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_9e128306-7992-49c5-9990-aec4f3a0b7b6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_c6f5b63c-16af-4a92-a78a-771a6c0fe9a3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_9e128306-7992-49c5-9990-aec4f3a0b7b6" xlink:to="loc_us-gaap_AwardTypeAxis_c6f5b63c-16af-4a92-a78a-771a6c0fe9a3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c6f5b63c-16af-4a92-a78a-771a6c0fe9a3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_c6f5b63c-16af-4a92-a78a-771a6c0fe9a3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c6f5b63c-16af-4a92-a78a-771a6c0fe9a3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a67a457c-c063-41a3-9369-20dfe1b9c46c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_c6f5b63c-16af-4a92-a78a-771a6c0fe9a3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a67a457c-c063-41a3-9369-20dfe1b9c46c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_TimeBasedRestrictedStockUnitsMember_fc714137-cde8-46d8-9d57-aa5c643ae646" xlink:href="lpro-20241231.xsd#lpro_TimeBasedRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a67a457c-c063-41a3-9369-20dfe1b9c46c" xlink:to="loc_lpro_TimeBasedRestrictedStockUnitsMember_fc714137-cde8-46d8-9d57-aa5c643ae646" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_PerformanceBasedRestrictedStockUnitsMember_28daa9c9-1563-44b5-b940-3c36e1883732" xlink:href="lpro-20241231.xsd#lpro_PerformanceBasedRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a67a457c-c063-41a3-9369-20dfe1b9c46c" xlink:to="loc_lpro_PerformanceBasedRestrictedStockUnitsMember_28daa9c9-1563-44b5-b940-3c36e1883732" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_3ebdc22d-c541-4067-ba84-ad413e6739d0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a67a457c-c063-41a3-9369-20dfe1b9c46c" xlink:to="loc_us-gaap_EmployeeStockOptionMember_3ebdc22d-c541-4067-ba84-ad413e6739d0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_94191338-a93a-4efb-b776-72fd8eda9ea1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_3a7f617e-ce00-4b1e-9c5c-493edd79a1b5" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_94191338-a93a-4efb-b776-72fd8eda9ea1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_55d5d40f-616c-4c9b-85d6-bad31d61ca22" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_3a7f617e-ce00-4b1e-9c5c-493edd79a1b5" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_55d5d40f-616c-4c9b-85d6-bad31d61ca22" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/ShareBasedCompensationTimeBasedRestrictedStockUnitandPerformanceStockUnitActivityDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#ShareBasedCompensationTimeBasedRestrictedStockUnitandPerformanceStockUnitActivityDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/ShareBasedCompensationTimeBasedRestrictedStockUnitandPerformanceStockUnitActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98885598-d6c6-4c31-91e6-fbc60ecac717" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_fa8a8ca7-20ed-4901-83ca-b4389ebf8c47" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98885598-d6c6-4c31-91e6-fbc60ecac717" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_fa8a8ca7-20ed-4901-83ca-b4389ebf8c47" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_bcd1b153-4115-4187-970a-13dd64d43683" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_fa8a8ca7-20ed-4901-83ca-b4389ebf8c47" xlink:to="loc_us-gaap_AwardTypeAxis_bcd1b153-4115-4187-970a-13dd64d43683" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_bcd1b153-4115-4187-970a-13dd64d43683_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_bcd1b153-4115-4187-970a-13dd64d43683" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_bcd1b153-4115-4187-970a-13dd64d43683_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5d50d921-fd80-47e5-b744-7fd7a14cb405" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_bcd1b153-4115-4187-970a-13dd64d43683" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5d50d921-fd80-47e5-b744-7fd7a14cb405" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_TimeBasedRestrictedStockUnitsMember_b1d79010-699c-49f1-ade4-213ef73af14d" xlink:href="lpro-20241231.xsd#lpro_TimeBasedRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5d50d921-fd80-47e5-b744-7fd7a14cb405" xlink:to="loc_lpro_TimeBasedRestrictedStockUnitsMember_b1d79010-699c-49f1-ade4-213ef73af14d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_PerformanceBasedRestrictedStockUnitsMember_3c5d6eaf-ca20-4dce-88ba-eca8d26e48c6" xlink:href="lpro-20241231.xsd#lpro_PerformanceBasedRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5d50d921-fd80-47e5-b744-7fd7a14cb405" xlink:to="loc_lpro_PerformanceBasedRestrictedStockUnitsMember_3c5d6eaf-ca20-4dce-88ba-eca8d26e48c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_98c03bb8-e79f-41a3-bd21-e2d5dccd56f5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98885598-d6c6-4c31-91e6-fbc60ecac717" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_98c03bb8-e79f-41a3-bd21-e2d5dccd56f5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_27814899-9271-48f9-acdb-4bf81fe5e3c2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_98c03bb8-e79f-41a3-bd21-e2d5dccd56f5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_27814899-9271-48f9-acdb-4bf81fe5e3c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_85719bcd-3da6-4c2a-8ddb-b58011fd285d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_98c03bb8-e79f-41a3-bd21-e2d5dccd56f5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_85719bcd-3da6-4c2a-8ddb-b58011fd285d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_78207cf4-b629-45f1-b85e-993e0cbbf64c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_98c03bb8-e79f-41a3-bd21-e2d5dccd56f5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_78207cf4-b629-45f1-b85e-993e0cbbf64c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_16b64ee7-a9e4-48fc-a4cb-16767888fd2c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_98c03bb8-e79f-41a3-bd21-e2d5dccd56f5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_16b64ee7-a9e4-48fc-a4cb-16767888fd2c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_8bbefc3a-7a4c-4b67-b047-3d84977d1d92" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_72c72b53-9e66-4d7c-b90e-8d5470e449fc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98885598-d6c6-4c31-91e6-fbc60ecac717" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_72c72b53-9e66-4d7c-b90e-8d5470e449fc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_75cc8fcc-735d-439c-8556-83cf6baf290a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_72c72b53-9e66-4d7c-b90e-8d5470e449fc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_75cc8fcc-735d-439c-8556-83cf6baf290a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_bd174bd4-dafb-47a5-a923-251a6301a66c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_72c72b53-9e66-4d7c-b90e-8d5470e449fc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_bd174bd4-dafb-47a5-a923-251a6301a66c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2e34ff53-0b94-4b02-87a2-7202ecf3489d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_72c72b53-9e66-4d7c-b90e-8d5470e449fc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_2e34ff53-0b94-4b02-87a2-7202ecf3489d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_b5cfa16b-0f9a-431c-81d7-a04314e37e8e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_72c72b53-9e66-4d7c-b90e-8d5470e449fc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_b5cfa16b-0f9a-431c-81d7-a04314e37e8e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_cb1354e4-9168-4f62-ba96-e0426710eda0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/ShareBasedCompensationFairValueofPerformanceStockUnitsGrantedDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#ShareBasedCompensationFairValueofPerformanceStockUnitsGrantedDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/ShareBasedCompensationFairValueofPerformanceStockUnitsGrantedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_04c2ddd0-4bb0-406a-b52a-ba68e09f201c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5d377359-ebba-45ee-9486-1959e1dbedd2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_04c2ddd0-4bb0-406a-b52a-ba68e09f201c" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5d377359-ebba-45ee-9486-1959e1dbedd2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_fec340d5-273f-4cc9-8723-ed3c3b310111" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5d377359-ebba-45ee-9486-1959e1dbedd2" xlink:to="loc_us-gaap_AwardTypeAxis_fec340d5-273f-4cc9-8723-ed3c3b310111" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_fec340d5-273f-4cc9-8723-ed3c3b310111_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_fec340d5-273f-4cc9-8723-ed3c3b310111" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_fec340d5-273f-4cc9-8723-ed3c3b310111_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ee80850c-da00-49b6-85dc-f67456914807" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_fec340d5-273f-4cc9-8723-ed3c3b310111" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ee80850c-da00-49b6-85dc-f67456914807" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_1cb708bc-286f-4b87-9871-2a084ed22e1f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ee80850c-da00-49b6-85dc-f67456914807" xlink:to="loc_us-gaap_PerformanceSharesMember_1cb708bc-286f-4b87-9871-2a084ed22e1f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_aadabe7e-27e4-46fd-be88-26d7210f86f9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_04c2ddd0-4bb0-406a-b52a-ba68e09f201c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_aadabe7e-27e4-46fd-be88-26d7210f86f9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_6ad0c64c-96b5-49f9-a4c6-dc76fbd9d904" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_04c2ddd0-4bb0-406a-b52a-ba68e09f201c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_6ad0c64c-96b5-49f9-a4c6-dc76fbd9d904" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/ShareBasedCompensationUnrecognizedSharebasedCompensationExpenseDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#ShareBasedCompensationUnrecognizedSharebasedCompensationExpenseDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/ShareBasedCompensationUnrecognizedSharebasedCompensationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_53a9c7cc-cd40-4174-8da5-2a37aa9e6738" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_76e98637-d4ff-4637-83f8-9c17cd9edd95" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_53a9c7cc-cd40-4174-8da5-2a37aa9e6738" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_76e98637-d4ff-4637-83f8-9c17cd9edd95" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_bf1cb4f3-b19f-4390-b198-be8c45394f42" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_76e98637-d4ff-4637-83f8-9c17cd9edd95" xlink:to="loc_us-gaap_AwardTypeAxis_bf1cb4f3-b19f-4390-b198-be8c45394f42" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_bf1cb4f3-b19f-4390-b198-be8c45394f42_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_bf1cb4f3-b19f-4390-b198-be8c45394f42" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_bf1cb4f3-b19f-4390-b198-be8c45394f42_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ceb6d39b-38df-4155-a646-115473023530" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_bf1cb4f3-b19f-4390-b198-be8c45394f42" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ceb6d39b-38df-4155-a646-115473023530" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_TimeBasedRestrictedStockUnitsMember_ce7dbfbc-464d-4d14-bfaf-ed46eedd9158" xlink:href="lpro-20241231.xsd#lpro_TimeBasedRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ceb6d39b-38df-4155-a646-115473023530" xlink:to="loc_lpro_TimeBasedRestrictedStockUnitsMember_ce7dbfbc-464d-4d14-bfaf-ed46eedd9158" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_PerformanceBasedRestrictedStockUnitsMember_85b4b92c-91dc-4d61-83f4-26590c142f34" xlink:href="lpro-20241231.xsd#lpro_PerformanceBasedRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ceb6d39b-38df-4155-a646-115473023530" xlink:to="loc_lpro_PerformanceBasedRestrictedStockUnitsMember_85b4b92c-91dc-4d61-83f4-26590c142f34" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_8400c073-4c13-4d8a-85b3-3551a2f94bff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_53a9c7cc-cd40-4174-8da5-2a37aa9e6738" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_8400c073-4c13-4d8a-85b3-3551a2f94bff" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_21aeba1b-a0c9-4e80-ba47-4f86d3093ef3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_53a9c7cc-cd40-4174-8da5-2a37aa9e6738" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_21aeba1b-a0c9-4e80-ba47-4f86d3093ef3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_ae35c665-5040-488b-9dcf-9f4c3988ee53" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_53a9c7cc-cd40-4174-8da5-2a37aa9e6738" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_ae35c665-5040-488b-9dcf-9f4c3988ee53" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/NetIncomeLossPerShareSummaryofAntidilutiveSecuritiesExcludedfromComputationofEarningsPerShareDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#NetIncomeLossPerShareSummaryofAntidilutiveSecuritiesExcludedfromComputationofEarningsPerShareDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/NetIncomeLossPerShareSummaryofAntidilutiveSecuritiesExcludedfromComputationofEarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_2c15abc9-e265-4b59-9657-a0e302a0df1d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_63928abb-5f92-4020-be82-713b8853a0ee" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_2c15abc9-e265-4b59-9657-a0e302a0df1d" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_63928abb-5f92-4020-be82-713b8853a0ee" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_638deb42-694d-4dd1-b6ad-c15c2328a163" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_63928abb-5f92-4020-be82-713b8853a0ee" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_638deb42-694d-4dd1-b6ad-c15c2328a163" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_638deb42-694d-4dd1-b6ad-c15c2328a163_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_638deb42-694d-4dd1-b6ad-c15c2328a163" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_638deb42-694d-4dd1-b6ad-c15c2328a163_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_58c8cb40-6500-435c-a6fa-c04a2d1acd68" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_638deb42-694d-4dd1-b6ad-c15c2328a163" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_58c8cb40-6500-435c-a6fa-c04a2d1acd68" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_b725a9d7-18d9-4e3a-b5df-1dc6efc3df81" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_58c8cb40-6500-435c-a6fa-c04a2d1acd68" xlink:to="loc_us-gaap_EmployeeStockOptionMember_b725a9d7-18d9-4e3a-b5df-1dc6efc3df81" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_TimeBasedRestrictedStockUnitsMember_c0bc6ac6-be17-47ee-8412-2208202b2ec1" xlink:href="lpro-20241231.xsd#lpro_TimeBasedRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_58c8cb40-6500-435c-a6fa-c04a2d1acd68" xlink:to="loc_lpro_TimeBasedRestrictedStockUnitsMember_c0bc6ac6-be17-47ee-8412-2208202b2ec1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_PerformanceBasedRestrictedStockUnitsMember_80c6f56f-d94a-4bdf-bb83-4d4ecc52f9c5" xlink:href="lpro-20241231.xsd#lpro_PerformanceBasedRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_58c8cb40-6500-435c-a6fa-c04a2d1acd68" xlink:to="loc_lpro_PerformanceBasedRestrictedStockUnitsMember_80c6f56f-d94a-4bdf-bb83-4d4ecc52f9c5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_7445f37f-8722-442d-9e57-6c99f47f83b8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_2c15abc9-e265-4b59-9657-a0e302a0df1d" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_7445f37f-8722-442d-9e57-6c99f47f83b8" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/FairValueofFinancialInstrumentsAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#FairValueofFinancialInstrumentsAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/FairValueofFinancialInstrumentsAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems_1859a78e-e477-4d3c-b381-0754798d27f8" xlink:href="lpro-20241231.xsd#lpro_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTable_1a1f84b5-cdfb-4f24-bb92-8afe71ed3262" xlink:href="lpro-20241231.xsd#lpro_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_lpro_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems_1859a78e-e477-4d3c-b381-0754798d27f8" xlink:to="loc_lpro_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTable_1a1f84b5-cdfb-4f24-bb92-8afe71ed3262" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAxis_ac1d098c-9a58-41cb-a2b3-f7aadeb40061" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lpro_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTable_1a1f84b5-cdfb-4f24-bb92-8afe71ed3262" xlink:to="loc_us-gaap_CashAndCashEquivalentsAxis_ac1d098c-9a58-41cb-a2b3-f7aadeb40061" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_ac1d098c-9a58-41cb-a2b3-f7aadeb40061_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_ac1d098c-9a58-41cb-a2b3-f7aadeb40061" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_ac1d098c-9a58-41cb-a2b3-f7aadeb40061_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_fbeda0f4-69b4-4197-bae3-3fb5c5975cbe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_ac1d098c-9a58-41cb-a2b3-f7aadeb40061" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_fbeda0f4-69b4-4197-bae3-3fb5c5975cbe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_3275900e-e266-4cf6-a4a5-a5a1450b21cf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_fbeda0f4-69b4-4197-bae3-3fb5c5975cbe" xlink:to="loc_us-gaap_MoneyMarketFundsMember_3275900e-e266-4cf6-a4a5-a5a1450b21cf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USTreasurySecuritiesMember_b9619663-ebbb-4d18-9a3c-dab863a263f4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_USTreasurySecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_fbeda0f4-69b4-4197-bae3-3fb5c5975cbe" xlink:to="loc_us-gaap_USTreasurySecuritiesMember_b9619663-ebbb-4d18-9a3c-dab863a263f4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_a134d69c-5b45-4356-8e5a-36ed88fb20fc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lpro_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTable_1a1f84b5-cdfb-4f24-bb92-8afe71ed3262" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_a134d69c-5b45-4356-8e5a-36ed88fb20fc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a134d69c-5b45-4356-8e5a-36ed88fb20fc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_a134d69c-5b45-4356-8e5a-36ed88fb20fc" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a134d69c-5b45-4356-8e5a-36ed88fb20fc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0d774e9b-0512-4d57-ae8b-73d39be7c9c4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_a134d69c-5b45-4356-8e5a-36ed88fb20fc" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0d774e9b-0512-4d57-ae8b-73d39be7c9c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_91ad9dbd-37c9-4a10-bc2e-557d85c55feb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0d774e9b-0512-4d57-ae8b-73d39be7c9c4" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_91ad9dbd-37c9-4a10-bc2e-557d85c55feb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_ab2222c0-98f5-4d2a-a92a-82287cf1866a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0d774e9b-0512-4d57-ae8b-73d39be7c9c4" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_ab2222c0-98f5-4d2a-a92a-82287cf1866a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_d4958ce2-72de-4d1d-988b-642b0dd0fc73" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0d774e9b-0512-4d57-ae8b-73d39be7c9c4" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_d4958ce2-72de-4d1d-988b-642b0dd0fc73" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_ce10afe4-8e4a-44d6-a52a-e1e63c95c0c7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems_1859a78e-e477-4d3c-b381-0754798d27f8" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_ce10afe4-8e4a-44d6-a52a-e1e63c95c0c7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_46f704e9-a3a2-4185-a43a-765ac44bc670" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lpro_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems_1859a78e-e477-4d3c-b381-0754798d27f8" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_46f704e9-a3a2-4185-a43a-765ac44bc670" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/CommitmentandContingenciesNarrativeDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#CommitmentandContingenciesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/CommitmentandContingenciesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasedAssetsLineItems_93cacd53-4662-41ff-bb8b-c8a597f3d8ce" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeasedAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_385a78d0-b302-4fd1-b260-2574f6d83b2d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfOperatingLeasedAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_93cacd53-4662-41ff-bb8b-c8a597f3d8ce" xlink:to="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_385a78d0-b302-4fd1-b260-2574f6d83b2d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_9a910de4-3087-43fb-b685-00cd0f6df821" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_385a78d0-b302-4fd1-b260-2574f6d83b2d" xlink:to="loc_srt_StatementGeographicalAxis_9a910de4-3087-43fb-b685-00cd0f6df821" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_9a910de4-3087-43fb-b685-00cd0f6df821_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_9a910de4-3087-43fb-b685-00cd0f6df821" xlink:to="loc_srt_SegmentGeographicalDomain_9a910de4-3087-43fb-b685-00cd0f6df821_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_ab078a39-a8e6-4eca-927e-ac7d322121e2" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_9a910de4-3087-43fb-b685-00cd0f6df821" xlink:to="loc_srt_SegmentGeographicalDomain_ab078a39-a8e6-4eca-927e-ac7d322121e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_AustinTexasMember_8455d5a0-759a-48dc-95c6-d845db60aa18" xlink:href="lpro-20241231.xsd#lpro_AustinTexasMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_ab078a39-a8e6-4eca-927e-ac7d322121e2" xlink:to="loc_lpro_AustinTexasMember_8455d5a0-759a-48dc-95c6-d845db60aa18" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_LesseeOperatingLeaseNumberOfOperatingLeases_093469d4-9ec7-42a4-895d-5d2edf17aa0d" xlink:href="lpro-20241231.xsd#lpro_LesseeOperatingLeaseNumberOfOperatingLeases"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_93cacd53-4662-41ff-bb8b-c8a597f3d8ce" xlink:to="loc_lpro_LesseeOperatingLeaseNumberOfOperatingLeases_093469d4-9ec7-42a4-895d-5d2edf17aa0d" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/IncomeTaxesAdditionalInformationDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#IncomeTaxesAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/IncomeTaxesAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationLineItems_a6e2cd86-8a34-44f0-9619-2a2a681522ee" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTable_ddc0cc0b-f7bd-42f0-8641-d56327884e5c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationLineItems_a6e2cd86-8a34-44f0-9619-2a2a681522ee" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTable_ddc0cc0b-f7bd-42f0-8641-d56327884e5c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_9726870a-2d6d-4097-b50e-d8e6938aa13a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTable_ddc0cc0b-f7bd-42f0-8641-d56327884e5c" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_9726870a-2d6d-4097-b50e-d8e6938aa13a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_9726870a-2d6d-4097-b50e-d8e6938aa13a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_9726870a-2d6d-4097-b50e-d8e6938aa13a" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_9726870a-2d6d-4097-b50e-d8e6938aa13a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_59f6605f-e81b-4232-bdd1-a6355d3788aa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_9726870a-2d6d-4097-b50e-d8e6938aa13a" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_59f6605f-e81b-4232-bdd1-a6355d3788aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DomesticCountryMember_06143865-d17b-4a98-b6aa-8849aade3c22" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DomesticCountryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_59f6605f-e81b-4232-bdd1-a6355d3788aa" xlink:to="loc_us-gaap_DomesticCountryMember_06143865-d17b-4a98-b6aa-8849aade3c22" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_d219a7b2-0437-4528-81b6-fbadb7abd6eb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StateAndLocalJurisdictionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_59f6605f-e81b-4232-bdd1-a6355d3788aa" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_d219a7b2-0437-4528-81b6-fbadb7abd6eb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_9deec32b-e5e9-4ccc-ad45-79a761949c7b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationLineItems_a6e2cd86-8a34-44f0-9619-2a2a681522ee" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_9deec32b-e5e9-4ccc-ad45-79a761949c7b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwards_67648748-ca5e-490e-80b7-e9bf674ffeec" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLossCarryforwards"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationLineItems_a6e2cd86-8a34-44f0-9619-2a2a681522ee" xlink:to="loc_us-gaap_OperatingLossCarryforwards_67648748-ca5e-490e-80b7-e9bf674ffeec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_ea65a0d2-2b53-447d-838c-12ae34b093ea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationLineItems_a6e2cd86-8a34-44f0-9619-2a2a681522ee" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_ea65a0d2-2b53-447d-838c-12ae34b093ea" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://openlendingcorp.com/role/SegmentReportingDetails" xlink:type="simple" xlink:href="lpro-20241231.xsd#SegmentReportingDetails"/>
  <link:definitionLink xlink:role="http://openlendingcorp.com/role/SegmentReportingDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_7fc420da-db92-4dc0-a0b8-71f96b8e7e31" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingRevenueReconcilingItemLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable_9900f533-a20e-4b96-85c1-59cb1f31b3d0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_7fc420da-db92-4dc0-a0b8-71f96b8e7e31" xlink:to="loc_us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable_9900f533-a20e-4b96-85c1-59cb1f31b3d0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_2ba71b10-f379-4a51-9649-642245e98410" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable_9900f533-a20e-4b96-85c1-59cb1f31b3d0" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_2ba71b10-f379-4a51-9649-642245e98410" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_2ba71b10-f379-4a51-9649-642245e98410_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_2ba71b10-f379-4a51-9649-642245e98410" xlink:to="loc_us-gaap_SegmentDomain_2ba71b10-f379-4a51-9649-642245e98410_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_2a529532-1585-4a78-9cbf-9f88d2f0fae2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_2ba71b10-f379-4a51-9649-642245e98410" xlink:to="loc_us-gaap_SegmentDomain_2a529532-1585-4a78-9cbf-9f88d2f0fae2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ReportableSegmentMember_fd070770-a55e-437c-910d-4802d497e249" xlink:href="lpro-20241231.xsd#lpro_ReportableSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_2a529532-1585-4a78-9cbf-9f88d2f0fae2" xlink:to="loc_lpro_ReportableSegmentMember_fd070770-a55e-437c-910d-4802d497e249" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_d28aee9d-dcf4-49c0-addd-66cf5d745955" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable_9900f533-a20e-4b96-85c1-59cb1f31b3d0" xlink:to="loc_srt_ProductOrServiceAxis_d28aee9d-dcf4-49c0-addd-66cf5d745955" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_d28aee9d-dcf4-49c0-addd-66cf5d745955_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_d28aee9d-dcf4-49c0-addd-66cf5d745955" xlink:to="loc_srt_ProductsAndServicesDomain_d28aee9d-dcf4-49c0-addd-66cf5d745955_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_a3df9802-76dd-48fe-8f55-7ab702e2f25a" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_d28aee9d-dcf4-49c0-addd-66cf5d745955" xlink:to="loc_srt_ProductsAndServicesDomain_a3df9802-76dd-48fe-8f55-7ab702e2f25a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ProgramFeeMember_f8747dc7-daf7-4e14-be0e-76e61a19fd35" xlink:href="lpro-20241231.xsd#lpro_ProgramFeeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_a3df9802-76dd-48fe-8f55-7ab702e2f25a" xlink:to="loc_lpro_ProgramFeeMember_f8747dc7-daf7-4e14-be0e-76e61a19fd35" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_ProfitShareMember_e21889c5-8237-4936-a416-f284775bf0cf" xlink:href="lpro-20241231.xsd#lpro_ProfitShareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_a3df9802-76dd-48fe-8f55-7ab702e2f25a" xlink:to="loc_lpro_ProfitShareMember_e21889c5-8237-4936-a416-f284775bf0cf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdministrativeServiceMember_30295f6d-c462-45c4-9611-e716c261be96" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdministrativeServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_a3df9802-76dd-48fe-8f55-7ab702e2f25a" xlink:to="loc_us-gaap_AdministrativeServiceMember_30295f6d-c462-45c4-9611-e716c261be96" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_5378010d-076f-4ce5-8bd7-1fe890263179" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenuesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_7fc420da-db92-4dc0-a0b8-71f96b8e7e31" xlink:to="loc_us-gaap_RevenuesAbstract_5378010d-076f-4ce5-8bd7-1fe890263179" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_6e4b7f5c-9279-4dc6-bcf6-fb8d00386623" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_5378010d-076f-4ce5-8bd7-1fe890263179" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_6e4b7f5c-9279-4dc6-bcf6-fb8d00386623" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_e599cd0f-4ee7-46f8-ae90-fd47017b0080" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServicesSoldAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_7fc420da-db92-4dc0-a0b8-71f96b8e7e31" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_e599cd0f-4ee7-46f8-ae90-fd47017b0080" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_CostEmployeeCompensationAndBenefits_c95cc543-e421-43c9-a16f-616cb8eba4b2" xlink:href="lpro-20241231.xsd#lpro_CostEmployeeCompensationAndBenefits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_e599cd0f-4ee7-46f8-ae90-fd47017b0080" xlink:to="loc_lpro_CostEmployeeCompensationAndBenefits_c95cc543-e421-43c9-a16f-616cb8eba4b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lpro_CostShareBasedPaymentArrangementExpense_9802854d-a3eb-4437-a3d7-6c63ddc96826" xlink:href="lpro-20241231.xsd#lpro_CostShareBasedPaymentArrangementExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_e599cd0f-4ee7-46f8-ae90-fd47017b0080" xlink:to="loc_lpro_CostShareBasedPaymentArrangementExpense_9802854d-a3eb-4437-a3d7-6c63ddc96826" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_418a10ba-2b53-485e-83ef-5551e684e290" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_e599cd0f-4ee7-46f8-ae90-fd47017b0080" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_418a10ba-2b53-485e-83ef-5551e684e290" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostOfOperatingRevenue_43d7d98f-0b01-4151-8f7b-3f9b21335afd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherCostOfOperatingRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_e599cd0f-4ee7-46f8-ae90-fd47017b0080" xlink:to="loc_us-gaap_OtherCostOfOperatingRevenue_43d7d98f-0b01-4151-8f7b-3f9b21335afd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_1e849178-1b9e-401b-9a98-f547ebb358c1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_7fc420da-db92-4dc0-a0b8-71f96b8e7e31" xlink:to="loc_us-gaap_GrossProfit_1e849178-1b9e-401b-9a98-f547ebb358c1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_705d6c42-aa19-42cf-9c0a-443ef3de0d95" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_7fc420da-db92-4dc0-a0b8-71f96b8e7e31" xlink:to="loc_us-gaap_OperatingExpensesAbstract_705d6c42-aa19-42cf-9c0a-443ef3de0d95" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationExpenseExcludingCostOfGoodAndServiceSold_d6db2b84-de07-4a97-9a02-977fef03200e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CompensationExpenseExcludingCostOfGoodAndServiceSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_705d6c42-aa19-42cf-9c0a-443ef3de0d95" xlink:to="loc_us-gaap_CompensationExpenseExcludingCostOfGoodAndServiceSold_d6db2b84-de07-4a97-9a02-977fef03200e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_8b03cc7b-97b7-4a8f-8ccb-a9797ccde9b1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_705d6c42-aa19-42cf-9c0a-443ef3de0d95" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_8b03cc7b-97b7-4a8f-8ccb-a9797ccde9b1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfessionalFees_47e49c64-94c7-4559-a697-a105dca62015" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProfessionalFees"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_705d6c42-aa19-42cf-9c0a-443ef3de0d95" xlink:to="loc_us-gaap_ProfessionalFees_47e49c64-94c7-4559-a697-a105dca62015" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InformationTechnologyAndDataProcessing_e0c1d221-485e-4ac5-bc9f-4492dd1314f0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InformationTechnologyAndDataProcessing"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_705d6c42-aa19-42cf-9c0a-443ef3de0d95" xlink:to="loc_us-gaap_InformationTechnologyAndDataProcessing_e0c1d221-485e-4ac5-bc9f-4492dd1314f0" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_374548d2-9d9f-4cd3-8ac7-8565fbb41f04" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_705d6c42-aa19-42cf-9c0a-443ef3de0d95" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_374548d2-9d9f-4cd3-8ac7-8565fbb41f04" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_7a954e27-a1a7-4715-801a-85d7b31258ef" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherCostAndExpenseOperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_705d6c42-aa19-42cf-9c0a-443ef3de0d95" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_7a954e27-a1a7-4715-801a-85d7b31258ef" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_6f218a15-75b7-490c-ac2f-e4193550baa4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_705d6c42-aa19-42cf-9c0a-443ef3de0d95" xlink:to="loc_us-gaap_OperatingExpenses_6f218a15-75b7-490c-ac2f-e4193550baa4" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_5691f3c2-9a7b-4f83-a33f-86f0558871f2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_7fc420da-db92-4dc0-a0b8-71f96b8e7e31" xlink:to="loc_us-gaap_OperatingIncomeLoss_5691f3c2-9a7b-4f83-a33f-86f0558871f2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_69ff4ae6-84d1-4fde-a2ae-150065a2f37b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpenseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_7fc420da-db92-4dc0-a0b8-71f96b8e7e31" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_69ff4ae6-84d1-4fde-a2ae-150065a2f37b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_4d058ad1-2177-4ef3-b74a-9d339092b9bf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_69ff4ae6-84d1-4fde-a2ae-150065a2f37b" xlink:to="loc_us-gaap_InterestExpenseNonoperating_4d058ad1-2177-4ef3-b74a-9d339092b9bf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_52b941ff-37de-4126-9252-cb00dd441b45" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_69ff4ae6-84d1-4fde-a2ae-150065a2f37b" xlink:to="loc_us-gaap_InvestmentIncomeInterest_52b941ff-37de-4126-9252-cb00dd441b45" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_938c440a-7936-487b-88f3-3844f19ee8d0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_69ff4ae6-84d1-4fde-a2ae-150065a2f37b" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_938c440a-7936-487b-88f3-3844f19ee8d0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_e8efeeff-3c47-42f9-847c-9f5eadf50383" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_69ff4ae6-84d1-4fde-a2ae-150065a2f37b" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_e8efeeff-3c47-42f9-847c-9f5eadf50383" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2eb0dc04-c847-47e1-9b5e-887696bf4bf8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_7fc420da-db92-4dc0-a0b8-71f96b8e7e31" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2eb0dc04-c847-47e1-9b5e-887696bf4bf8" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_d7d56fd6-4f0c-4d03-9a70-86b79b7073f4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_7fc420da-db92-4dc0-a0b8-71f96b8e7e31" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_d7d56fd6-4f0c-4d03-9a70-86b79b7073f4" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_5b71fe22-d1d6-4880-b2d3-25eb669326cd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_7fc420da-db92-4dc0-a0b8-71f96b8e7e31" xlink:to="loc_us-gaap_NetIncomeLoss_5b71fe22-d1d6-4880-b2d3-25eb669326cd" xlink:type="arc" order="8"/>
  </link:definitionLink>
</link:linkbase>
