Source : Webster's Revised Unabridged Dictionary (1913)

Delinquency \De*lin"quen*cy\, n.; pl. {Delinquencies}. [L.
   delinquentia, fr. delinquens.]
   Failure or omission of duty; a fault; a misdeed; an offense;
   a misdemeanor; a crime.

         The delinquencies of the little commonwealth would be
         represented in the most glaring colors.  --Motley.

Source : WordNet®

delinquency
     n 1: nonpayment of a debt when due
     2: 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"
        [syn: {dereliction}, {willful neglect}]
     3: an antisocial misdeed in violation of the law by a minor
        [syn: {juvenile delinquency}]