67 entries under adjective topic. ×
| mad(crazy, insane) | |
| insane(sound, sensible, foolish, stupid) | |
| crazy(calm, sound, strange, stupid) | |
| unreasonable(stupid, insane) | |
| goofy | |
| wild(reasonable, sensible) | |
| unstable(stupid, insane) | |
| batty | |
| lunatic(noun, person, reasonable, crazy) | |
| unsound(strong, sound, stupid, well) | |
| demented | |
| foolish(sound, stupid, wise, insane) | |
| irrational(sound, stupid, rational, insane) | |
| balmy(violent, insane) | |
| deranged | |
| crazed | |
| delirious | |
| idiotic(reasonable, smart) | |
| nutty(calm, deranged) | |
| unbalanced(smooth, stupid, insane) |
For more, visit
Sane on
Power Thesaurus
| 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> |