noun

1. One who disobeys or breaks rules or laws.

2. A person who has not paid his or her debts.

3. A term applied to royalists by their opponents in the English Civil War 1642-1645. Charles I was known as the chief delinquent.

adjective

1. Late or failing to pay a debt or other financial obligation, like a mortgage or loan.

   “Fred is delinquent in making his car payment.”

2. Failing in or neglectful of a duty or obligation; guilty of a misdeed or offense

Synonyms: defaulting