- Definitions|2
- Thesaurus|2.6k
- Abbreviations|0
104 entries under silly topic. ×
| dippy(adjective, foolish, mad, insane) | |
| fatuous(adjective, wrong, wild, foolish) | |
| fruity(adjective, slang, foolish, mad) | |
| potty(adjective, foolish, mad, insane) | |
| psycho(noun, adjective, wild, foolish) | |
| touched(adjective, stupid, crazy, mad) | |
| unbalanced(adjective, foolish, crazy, mad) | |
| goofy(adjective, foolish, unwise) | |
| idiotic(adjective, wild, foolish, stupid) | |
| mental(noun, adjective, slang, mad) | |
| zany(noun, foolish, unwise, comical) | |
| kooky(adjective, foolish, crazy, mad) | |
| of unsound mind(expression, adjective, idiom, mad) | |
| preposterous(adjective, foolish, stupid, unwise) | |
| stupid(adjective, foolish, unwise) | |
| ape(foolish, crazy, mad, insane) | |
| eccentric(noun, adjective, foolish, crazy) | |
| inane(adjective, foolish, unwise) | |
| irrational(adjective, wrong, wild, foolish) | |
| maniacal(adjective, stupid, crazy, 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> |