evil genius

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English[edit]

Noun[edit]

evil genius (plural evil geniuses or evil genii)

  1. The spirit each person is believed to have in attendance, according to certain religious or mythological traditions, which tries to negatively influence him, and is opposed by one's good genius; loosely, someone who is a bad influence.
    • 1957, Lawrence Durrell, Justine:
      It was as if I unconsciously realized that in her I had met my evil genius.
  2. Literally, a brilliant person who uses his abilities for negative or harmful ends; especially a criminal mastermind.