Meanings
nounevil genius (plural evil geniuses or evil genii)
plural evil geniuses · plural evil genii
- 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 his good genius; loosely, someone who is a bad influence.
It was as if I unconsciously realized that in her I had met my evil genius.
1957, Lawrence Durrell, Justine1 more example
He could in nowise comprehend it; but, taking it with other previous circumstances, he could not get quit of a conviction that he was haunted by some evil genius in the shape of his brother […].
1824, James Hogg, The Private Memoirs and Confessions of a Justified Sinner, Oxford, published 2010, page 37 - An intellectually brilliant person who excells at using his or her mental abilities for negative or harmful ends; especially a criminal mastermind.
Synonyms & antonyms
Also see
Translations
Finnish ilkeä nero, paha nero
- ilkeä nerointellectually brilliant person who excells at using their mental abilities for negative ends
- paha nerointellectually brilliant person who excells at using their mental abilities for negative ends
French génie du mal
- génie du malintellectually brilliant person who excells at using their mental abilities for negative ends
Italian genio del male
- genio del maleintellectually brilliant person who excells at using their mental abilities for negative ends
Cite this entry
APA
evil genius. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/evil%20genius
MLA
“evil genius.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/evil%20genius. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “evil genius,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/evil%20genius.
Source: evil genius on Wiktionary, CC BY-SA 4.0.