Definition of murderer noun from the Oxford Advanced American Dictionary

     

    murderer

     noun
    noun
    NAmE//ˈmərdərər//
     
     
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  1. 1a person who has killed someone deliberately and illegally synonym killer
  2. 2 a convicted murderer a mass murderer (= who has killed a lot of people)
See the Oxford Advanced Learner's Dictionary entry: murderer