- Definitions|2
- Thesaurus|803
- Abbreviations|0
| bughouse | |
| cuckoo(adjective, wrong, slang, wild, crazy) | |
| fruity(adjective, slang, sane) | |
| haywire | |
| imbalanced | |
| irrational(adjective, wrong, wild, crazy, confused) | |
| mad as a hatter(adjective, idiom, crazy, sick, insane) | |
| maniacal(adjective, insane, sane) | |
| muzzy(adjective, inattention) | |
| odd | |
| of unsound mind(expression, adjective, idiom, wrong, sane) | |
| sick in the head(expression, adjective, idiom, wrong, crazy) | |
| stark raving mad(expression, adjective, idiom, crazy, sick) | |
| abnormal | |
| bad | |
| barmy | |
| bats | |
| bizarre(adjective, wrong, wild, crazy, mad) | |
| buggy(adjective, slang, sane) | |
| bugs |
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| APA | Smart Define. (2015). brainsick thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/brainsick/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "brainsick thesaurus" https://smartdefine.org/brainsick/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, brainsick thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/brainsick/thesaurus/synonyms>. |
| MLA | Smart Define. "brainsick thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/brainsick/thesaurus/synonyms> |