Home › Words › O › offenderoffender/əˈfen.də(ɹ)/offender · noun — one who gives or causes offense, or does something wrong.Definition from Wiktionary (CC BY-SA 3.0).offender is pronounced /əˈfen.də(ɹ)/.EtymologyFrom Middle English offendour, offender, offendir, equivalent to offend + -er.nounOne who gives or causes offense, or does something wrong.e.g.“Almost all down trains are late, however; the empty wagon trains are probably the worst offenders and one or two hours' late running by them is not unusual.” — 1961 March, Warren Smith, “The problems of train regulation - a study of operation at Trent”, in Trains Illustrated, page 169:A person who commits an offense against the law, a lawbreaker.Definitions & examples from Wiktionary (CC BY-SA 3.0).