150 entries under insanity topic. ×
| lamebrain(noun, person, fanatic, craziness) | |
| newfangled contraption(noun, expression, person, change, originality) | |
| newfangledness(noun, person, change, fanatic) | |
| nut case(noun, expression, person, fanatic) | |
| unrealistic(adjective, characteristic, silly, foolish, unwise) | |
| deranged person(noun, expression, person, fanatic) | |
| derisory(adjective, characteristic, wild, silly, foolish) | |
| flipped(adjective, characteristic, wild, enthusiastic, strange) | |
| ill-conceived(adjective, characteristic, slow, wild, silly) | |
| madcap(noun, adjective, person, rough, silly) | |
| maddened(adjective, passionate, cruel, vicious, irritation) | |
| unzipped(adjective, upset, characteristic, wild, strange) | |
| crackbrained(irrational, hysterical, psychotic) | |
| freak(noun, adjective, person, beat, character) | |
| psychopath(noun, person, madness, lunatic) | |
| zealot(noun, person, radical, madness) | |
| beside oneself(expression, adjective, idiom, upset, love) | |
| fiend(noun, person, radical, madness) | |
| possessed(agitated, overexcited, obsessed, panic-stricken) | |
| reasonless(foolish, unreasonable, illogical) |
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| APA | Smart Define. (2016). crazy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/crazy/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "crazy thesaurus" https://smartdefine.org/crazy/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, crazy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/crazy/thesaurus/synonyms>. |
| MLA | Smart Define. "crazy thesaurus" 3 April 2016. Web. 24 September 2026. <https://smartdefine.org/crazy/thesaurus/synonyms> |