- Definitions|2
- Thesaurus|2.6k
- Abbreviations|0
93 entries under foolish topic. ×
| insane(adjective, wild, silly, stupid) | |
| crazy(noun, adjective, wild, strange, silly) | |
| mad(noun, adjective, wild, silly) | |
| loony(noun, adjective, informal, wild, silly) | |
| batty(adjective, slang, wild, silly) | |
| daft(adjective, wild, silly, stupid) | |
| lunatic(noun, adjective, person, wild, silly) | |
| barmy(adjective, silly, crazy, mad) | |
| bonkers(adjective, informal, silly, crazy) | |
| wacky(adjective, slang, silly, crazy) | |
| balmy(adjective, silly, unwise) | |
| crazed(adjective, wild, silly, stupid) | |
| demented(adjective, wild, silly, stupid) | |
| cracked(adjective, informal, wild, silly) | |
| deranged(adjective, wild, silly, stupid) | |
| dippy(adjective, silly, mad, insane) | |
| fatuous(adjective, wrong, wild, silly) | |
| fruity(adjective, slang, silly, mad) | |
| potty(adjective, silly, mad, insane) | |
| psycho(noun, adjective, wild, silly) |
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| APA | Smart Define. (2016). cuckoo thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/cuckoo/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "cuckoo thesaurus" https://smartdefine.org/cuckoo/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, cuckoo thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/cuckoo/thesaurus/synonyms>. |
| MLA | Smart Define. "cuckoo thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/cuckoo/thesaurus/synonyms> |