| delirious(adjective, imbalanced) | |
| idiotic(adjective, reasonable, smart) | |
| nuts | |
| nutty(adjective, calm, deranged) | |
| psycho | |
| touched | |
| unbalanced(adjective, smooth, stupid, insane) | |
| visceral | |
| wacky(adjective, reasonable) | |
| absurd | |
| barmy | |
| berserk | |
| bonkers(adjective, crazy) | |
| buggy(adjective, crazy) | |
| capricious | |
| cockeyed | |
| cracked | |
| crackers | |
| cranky | |
| daft |
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| APA | Smart Define. (2015). sane thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sane/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "sane thesaurus" https://smartdefine.org/sane/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, sane thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sane/thesaurus/antonyms>. |
| MLA | Smart Define. "sane thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/sane/thesaurus/antonyms> |