67 entries under adjective topic. ×
| ludicrous | |
| madcap(reasonable, crazy, impulsive) | |
| troubled(happy, certain) | |
| unintelligent(stupid, insane) | |
| weak | |
| delicate | |
| erratic | |
| fitful | |
| flighty | |
| fragile | |
| groggy | |
| hectic | |
| infatuated | |
| insecure | |
| lopsided | |
| manic | |
| moony | |
| out of one's mind | |
| rickety | |
| shaky |
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| APA | Smart Define. (2015). sane thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sane/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "sane thesaurus" https://smartdefine.org/sane/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, sane thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sane/thesaurus/antonyms>. |
| MLA | Smart Define. "sane thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/sane/thesaurus/antonyms> |