nonpayment of a debt when due
"The court dismissed the charge of delinquency after we presented proof that the loan was repaid before the deadline."
a tendency to be negligent and uncaring
"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"
an antisocial misdeed in violation of the law by a minor
"The judge sentenced the teenager for juvenile delinquency after he was caught stealing candy from the local convenience store."
Misconduct.
"The teacher's warning about delinquency made the students realize that even small acts of misconduct could get them in serious trouble."