| desperate(violent, mad, vicious, fierce, unreasonable) | |
| extremist(noun, radical, fanatic, intolerant, freak) | |
| feral | |
| fierce(violent, mad, vicious, unreasonable, angry) | |
| foolish(adjective, crazy, mad, hysterical, crazed) | |
| fruitcake(noun, person, mad, lunatic, neurotic) | |
| idiot | |
| irrational(violent, hot, crazy, fierce, unreasonable) | |
| madperson(noun, person, nut, overenthusiastic) | |
| mindless(mad, insane, psychiatric) | |
| monomaniac(noun, radical, fan, fanatic, intolerant) | |
| moonstruck(adjective, insane, sane) | |
| nutcase(noun, person, overenthusiastic) | |
| nutty(adjective, slang, sane) | |
| off(adjective, sane) | |
| schizoid(noun, adjective, person, crazy, mad) | |
| schizophrenic(noun, adjective, wrong, mad, confused) | |
| stalker | |
| touched(adjective, sane) | |
| wacky(adjective, slang, sane) |
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| APA | Smart Define. (2015). maniac thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/maniac/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "maniac thesaurus" https://smartdefine.org/maniac/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, maniac thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/maniac/thesaurus/synonyms>. |
| MLA | Smart Define. "maniac thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/maniac/thesaurus/synonyms> |