80 entries under insane topic. ×
| moonstruck(adjective, silly, foolish, stupid, mad) | |
| screwball(noun, adjective, slang, silly, mad) | |
| stupid(adjective, wild, silly, foolish, crazy) | |
| erratic(adjective, wild, silly, foolish, crazy) | |
| moronic(adjective, stupid, crazy) | |
| schizo(noun, adjective, slang, silly, mad) | |
| unstable(mad, psychiatric) | |
| berserk(adjective, wild, silly, foolish, crazy) | |
| brainsick(adjective, sane) | |
| flaky(adjective, simple, silly, foolish, crazy) | |
| irrational(adjective, wrong, rough, wild, silly) | |
| maniac(adjective, crazy, mad, irrational) | |
| preposterous(adjective, wild, silly, foolish, stupid) | |
| rabid(adjective, wrong, concern, rough, wild) | |
| ape(silly, foolish, crazy, mad) | |
| delirious(adjective, wild, silly, foolish, crazy) | |
| flipped(silly, foolish, crazy, mad) | |
| flipped out(expression, silly, foolish, crazy, mad) | |
| freaked out(expression, silly, foolish, mad) | |
| frenzied(adjective, wild, silly, foolish, stupid) |
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| APA | Smart Define. (2016). nuts thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/nuts/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "nuts thesaurus" https://smartdefine.org/nuts/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, nuts thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/nuts/thesaurus/synonyms>. |
| MLA | Smart Define. "nuts thesaurus" 3 March 2016. Web. 24 September 2026. <https://smartdefine.org/nuts/thesaurus/synonyms> |