142 entries under insane topic. ×
| bizarre(adjective, characteristic, unusual, wild, strange) | |
| crackpot(noun, adjective, person, foolish, mad) | |
| imbecilic(adjective, weak, simple, knowledge, ability) | |
| maniacal(adjective, characteristic, wild, strange, cruel) | |
| moronic(adjective, weak, simple, knowledge, ability) | |
| potty(adjective, characteristic, wild, strange, silly) | |
| harebrained(adjective, characteristic, weak, simple, knowledge) | |
| asinine(adjective, weak, simple, silly, foolish) | |
| disturbed(adjective, upset, passionate, strange, cruel) | |
| maniac(noun, adjective, person, mad, sick) | |
| imprudent(adjective, characteristic, weak, simple, wild) | |
| irresponsible(adjective, characteristic, simple, careless, wild) | |
| moonstruck(adjective, characteristic, informal, strange, silly) | |
| fantastic(adjective, characteristic, weak, simple, wild) | |
| ape(adjective, characteristic, strange, silly, foolish) | |
| distracted(adjective, upset, wild, mad, nervous) | |
| distraught(adjective, upset, wrong, passionate, wild) | |
| fruity(adjective, characteristic, slang, strange, silly) | |
| loco(adjective, slang, informal, mad, sick) | |
| non compos mentis(noun, expression, adjective, idiom, law) |
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| APA | Smart Define. (2016). crazy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/crazy/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "crazy thesaurus" https://smartdefine.org/crazy/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, crazy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/crazy/thesaurus/synonyms>. |
| MLA | Smart Define. "crazy thesaurus" 3 April 2016. Web. 26 September 2026. <https://smartdefine.org/crazy/thesaurus/synonyms> |