183 entries under insane topic. ×
| aberrant(adjective, characteristic, foolish, hot, crazy) | |
| feverish(adjective, violent, wild, hot, fervent) | |
| flaky(adjective, wrong, unusual, passionate, violent) | |
| fruity(adjective, slang, silly, foolish) | |
| irresponsible(adjective, wrong, wild, silly, foolish) | |
| moonstruck(adjective, silly, foolish, stupid) | |
| neurotic(noun, adjective, violent, excited, crazy) | |
| possessed(adjective, evil, passionate, violent, crazy) | |
| psycho(noun, adjective, wild, silly, foolish) | |
| dangerous(adjective, false, wicked, ill, behaviour) | |
| madding(adjective, calm, crazy, odd) | |
| off-the-wall(adjective, crazy, odd) | |
| out to lunch(expression, adjective, idiom, silly, crazy) | |
| phrenetic(adjective, crazy, odd) | |
| unsafe(adjective, characteristic, false, crazy, unstable) | |
| off one's rocker(adjective, idiom, crazy, sane) | |
| round the bend(expression, idiom, silly, foolish) | |
| screwball(adjective, silly, foolish, crazy) | |
| twisted(adjective, crazy, odd) | |
| unglued(adjective, upset, wild, silly, foolish) |
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| APA | Smart Define. (2016). mad thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/mad/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "mad thesaurus" https://smartdefine.org/mad/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, mad thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/mad/thesaurus/synonyms>. |
| MLA | Smart Define. "mad thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/mad/thesaurus/synonyms> |