- Definitions|2
- Thesaurus|2.6k
- Abbreviations|0
233 entries under noun topic. ×
| crazy(adjective, wild, strange, silly) | |
| mad(adjective, wild, silly, foolish) | |
| loony(adjective, informal, wild, silly) | |
| lunatic(adjective, person, wild, silly) | |
| screwball(adjective, slang, silly, crazy) | |
| gaga(adjective, informal, insane, sane) | |
| goose | |
| nut(slang, mad, sick, wise) | |
| psycho(adjective, wild, silly, foolish) | |
| chirp(verb, ululation, ululate) | |
| crackpot(adjective, mad, wise, schizophrenic) | |
| goof(slang, sick, mad person) | |
| kook(slang, mad, sick, wise) | |
| mental(adjective, slang, silly, mad) | |
| zany(silly, foolish, unwise, comical) | |
| crank(informal, mad, wise, schizophrenic) | |
| crow(verb, bird, ululation, ululate) | |
| jackass | |
| loon(slang, informal, mad, sick) | |
| not all there(expression, adjective, idiom, slang) |
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| APA | Smart Define. (2016). cuckoo thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/cuckoo/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "cuckoo thesaurus" https://smartdefine.org/cuckoo/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, cuckoo thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/cuckoo/thesaurus/synonyms>. |
| MLA | Smart Define. "cuckoo thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/cuckoo/thesaurus/synonyms> |