due diligence UK /ˈdjuː ˌdɪl.ɪ.d͡ʒəns/US /ˈdu ˌdɪl.ɪ.d͡ʒəns/ noun2 •Appropriate, required, reasonable care or carefulness.Consumers are required to use their credit cards with due diligence, which includes making sure that strangers cannot find or see their PIN.You are required to exercise due diligence by immediately reporting unauthorized withdrawals from your account and unauthorized use of your credit card. •A process during which a potential party to a contract evaluates the assets and liabilities of one or more other potential parties, to assess whether it should enter into the contract.
