delinquency

(noun) nonpayment of a debt when due.

(noun) a tendency to be negligent and uncaring. Synonyms: dereliction, willful neglect. Examples: "He inherited his delinquency from his father." "His derelictions were not really intended as crimes." "His adolescent protest consisted of willful neglect of all his responsibilities."

(noun) an antisocial misdeed in violation of the law by a minor. Synonyms: juvenile delinquency.