delinquent /dɪˈlɪŋkwənt/adjective 3noun 3forms 3 adjective3 •Late or failing to pay a debt or other financial obligation, like a mortgage or loan.Fred is delinquent in making his car payment. •Of a payment or other financial obligation: late or otherwise unfulfilled.The company made a new effort to collect delinquent payments. •Failing in or neglectful of a duty or obligation; guilty of a misdeed or offense noun3 •One who disobeys or breaks rules or laws, or who acts against another's wishes. •A person who has not paid their debts. •(disapproving, historical) A royalist in the First English Civil War (1642-1646). formsdelinquents · more delinquent · most delinquent