- Definitions|2
- Thesaurus|2.6k
- Abbreviations|0
93 entries under foolish topic. ×
| unbalanced(adjective, silly, crazy, mad) | |
| goofy(adjective, silly, unwise) | |
| idiotic(adjective, wild, silly, stupid) | |
| silly(adjective, stupid, crazy, mad) | |
| zany(noun, silly, unwise, comical) | |
| kooky(adjective, silly, crazy, mad) | |
| preposterous(adjective, silly, stupid, unwise) | |
| stupid(adjective, silly, unwise) | |
| ape(silly, crazy, mad, insane) | |
| eccentric(noun, adjective, silly, crazy) | |
| inane(adjective, silly, unwise) | |
| irrational(adjective, wrong, wild, silly) | |
| nonsensical(adjective, silly, unwise) | |
| psychotic(noun, adjective, silly, stupid) | |
| ridiculous(adjective, silly, stupid, unwise) | |
| round the bend(expression, idiom, silly, mad) | |
| unhinged(adjective, silly, stupid, crazy) | |
| absurd(adjective, silly, unwise) | |
| ludicrous(adjective, silly, unwise) | |
| moonstruck(adjective, silly, stupid, mad) |
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| APA | Smart Define. (2016). cuckoo thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/cuckoo/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "cuckoo thesaurus" https://smartdefine.org/cuckoo/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, cuckoo thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/cuckoo/thesaurus/synonyms>. |
| MLA | Smart Define. "cuckoo thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/cuckoo/thesaurus/synonyms> |