- Definitions|0
- Thesaurus|258
- Abbreviations|0
| bonkers(adjective, crazy, sane, cuckoo, queer) | |
| cracked(adjective, sane) | |
| crazed | |
| out to lunch(expression, adjective, idiom, crazy, unstable) | |
| psycho(noun, slang, sick, mad person) | |
| brainsick(adjective, crazy, sick, insane, sane) | |
| nutty(adjective, crazy, unstable, disturbed, sane) | |
| crackers(adjective, crazy, sick, sane, off) | |
| distraught(adjective, crazy, sick, sane) | |
| irrational(adjective, unstable, disturbed, unhinged) | |
| moonstruck(adjective, insane, sane) | |
| off(adjective, sane, dotty) | |
| screwy(adjective, sane) | |
| unsound(adjective, crazy, unstable, sick, disturbed) | |
| abnormal | |
| bananas(adjective, sane) | |
| barmy | |
| certifiable | |
| flighty(crazy, cuckoo, queer) | |
| fruity(adjective, insane, sane) |
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| APA | Smart Define. (2015). not all there thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/not_all_there/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "not all there thesaurus" https://smartdefine.org/not_all_there/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, not all there thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/not_all_there/thesaurus/synonyms>. |
| MLA | Smart Define. "not all there thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/not_all_there/thesaurus/synonyms> |