- Definitions|2
- Thesaurus|2.6k
- Abbreviations|0
71 entries under insane topic. ×
| dippy(adjective, silly, foolish, mad) | |
| fatuous(adjective, wrong, wild, silly, foolish) | |
| fruity(adjective, slang, silly, foolish, mad) | |
| potty(adjective, silly, foolish, mad) | |
| psycho(noun, adjective, wild, silly, foolish) | |
| touched(adjective, silly, stupid, crazy, mad) | |
| unbalanced(adjective, silly, foolish, crazy, mad) | |
| idiotic(adjective, wild, silly, foolish, stupid) | |
| mental(noun, adjective, slang, silly, mad) | |
| silly(adjective, foolish, stupid, crazy, mad) | |
| kooky(adjective, silly, foolish, crazy, mad) | |
| of unsound mind(expression, adjective, idiom, silly, mad) | |
| ape(silly, foolish, crazy, mad) | |
| irrational(adjective, wrong, wild, silly, foolish) | |
| maniacal(adjective, silly, stupid, crazy, mad) | |
| out to lunch(expression, adjective, idiom, silly, mad) | |
| psychotic(noun, adjective, silly, foolish, stupid) | |
| round the bend(expression, idiom, silly, foolish, mad) | |
| unhinged(adjective, silly, foolish, stupid, crazy) | |
| brainsick(adjective, crazy, confused, irrational) |
For more, visit
Cuckoo on
Power Thesaurus
| APA | Smart Define. (2016). cuckoo thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/cuckoo/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "cuckoo thesaurus" https://smartdefine.org/cuckoo/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, cuckoo thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/cuckoo/thesaurus/synonyms>. |
| MLA | Smart Define. "cuckoo thesaurus" 30 March 2016. Web. 26 September 2026. <https://smartdefine.org/cuckoo/thesaurus/synonyms> |