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



    BrE BrE//əˈbjuːzə(r)//
    ; NAmE NAmE//əˈbjuːzər//
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  1. 1a person who makes bad use of something or uses so much of something that it harms their health a drug abuser
  2. 2a person who treats another person or animal in a cruel or violent way, especially sexually a child abuser
  3. 3a person or an organization that uses power or knowledge unfairly or wrongly The country is a notorious abuser of human rights.