1. guilty of a misdeed
- delinquent minors
Similar word(s): guilty
2. failing in what duty requires
- derelict (or delinquent) in his duty
3. past due; not paid at the scheduled time
- a delinquent account
Sentences with delinquent as an adjective:
- Fred is delinquent in making his car payment.
- The company made a new effort to collect delinquent payments.