Definition of offender noun from the Oxford Advanced Learner's Dictionary

     

    offender

     noun
    noun
    BrE BrE//əˈfendə(r)//
     
    ; NAmE NAmE//əˈfendər//
     
    Criminals
     
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  1. 1(rather formal) a person who commits a crime a persistent/serious/violent, etc. offender a young offender institution see also first offender, sex offender See related entries: Criminals
  2. 2a person or thing that does something wrong The report on sexual discrimination at work shows that some of the worst offenders are women. When it comes to pollution, the chemical industry is a major offender.
  3. Extra examples As regards pollution, old diesel-engined vehicles are the worst offenders. Child protection groups are calling for a national register of sex offenders. First offenders were treated more leniently. He favours tougher punishments for repeat offenders. He spent some time in a young offender institution. Persistent offenders risk losing their licence.
See the Oxford Advanced American Dictionary entry: offender