delinquent 2 adj [Latin delinquent - delinquens, present participle of delinquere to commit (an offense), err]
1 a: offending by neglect or violation of duty or law
delinquent acts
b: characterized by juvenile delinquency
delinquent youth
2: being overdue in payment
delinquent taxes
was delinquent in his child support payments
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.