| demoniac(noun, lamebrain) | |
| distraught | |
| disturbed | |
| eccentric | |
| frantic | |
| loony | |
| loopy | |
| maniacal | |
| mental(adjective, insane) | |
| moonstruck | |
| neurotic(adjective, normal, maladjusted) | |
| preposterous | |
| schizophrenic(noun, lamebrain) | |
| screwy | |
| unhinged | |
| unwise(adjective, stupid, insane) | |
| witless | |
| adventuresome | |
| amok | |
| amuck |
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| APA | Smart Define. (2015). sane thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sane/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "sane thesaurus" https://smartdefine.org/sane/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, sane thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sane/thesaurus/antonyms>. |
| MLA | Smart Define. "sane thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/sane/thesaurus/antonyms> |