Definition of dictator noun from the Oxford Advanced American Dictionary

     

    dictator

     noun
    noun
    NAmE//ˈdɪkteɪt̮ər//
     
    (disapproving)
     
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  1. 1a ruler who has complete power over a country, especially one who has gained it using military force
  2. 2a person who behaves as if they have complete power over other people, and tells them what to do Her father was a dictator and the whole family was afraid of him.
See the Oxford Advanced Learner's Dictionary entry: dictator