delivered at the moment of parting as if in flight or retreat; "paused to deliver a parting shot at the door"; "a Parthian volley of expletives from Uncle Billy"- Bret Harte
an antisocial misdeed in violation of the law by a minor
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"
the end of a word (a suffix or inflectional ending or final morpheme); "I don't like words that have -ism as an ending"
event whose occurrence ends something; "his death marked the ending of an era"; "when these final episodes are broadcast it will be the finish of the show"