60 entries under insane topic. ×
| cracked(adjective, simple, silly, foolish, mad) | |
| cuckoo(noun, adjective, slang, silly, mad) | |
| touched(adjective, simple, silly, foolish, mad) | |
| mentally ill(expression, adjective, psychiatric) | |
| out to lunch(expression, adjective, idiom, silly, mad) | |
| unstable(adjective, psychiatric) | |
| fruity(adjective, silly, foolish, mad) | |
| maniac(adjective, disturbed, irrational, unbalanced) | |
| schizo(noun, adjective, slang, silly, mad) | |
| potty(adjective, silly, foolish, mad) | |
| mindless(adjective, psychiatric) | |
| moonstruck(adjective, silly, foolish, stupid, mad) | |
| kooky(adjective, silly, foolish, crazy, mad) | |
| maniacal(adjective, silly, foolish, stupid, crazy) | |
| screwball(noun, adjective, slang, silly, mad) | |
| wacky(adjective, simple, silly, foolish, mad) | |
| bats in the belfry(expression, idiom, silly, foolish, mad) | |
| berserk(adjective, silly, foolish, crazy, mad) | |
| delirious(adjective, silly, foolish, crazy, mad) | |
| dippy(adjective, silly, foolish, mad) |
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| APA | Smart Define. (2015). mental thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/mental/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "mental thesaurus" https://smartdefine.org/mental/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, mental thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/mental/thesaurus/synonyms>. |
| MLA | Smart Define. "mental thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/mental/thesaurus/synonyms> |