- Definitions|2
- Thesaurus|2.6k
- Abbreviations|0
| neigh(noun, verb, ululation, ululate) | |
| nightingale(noun, bird) | |
| nutcase(noun, slang, sick, patient, loony) | |
| off(adjective, sane) | |
| oriole(noun, bird) | |
| purr(noun, verb, ululation, ululate) | |
| risible | |
| roar(noun, verb, ululation, ululate) | |
| snarl(noun, verb, ululation, ululate) | |
| snort(noun, verb, ululation, ululate) | |
| songbird(noun, bird) | |
| squeal(noun, verb, ululation, ululate) | |
| thrush(noun, bird) | |
| unreasonable(adjective, silly, foolish, stupid) | |
| unwise(adjective, silly, foolish) | |
| whinny(noun, verb, ululation, ululate) | |
| whistle | |
| yelp(noun, verb, ululation, ululate) | |
| ani | |
| around the bend(expression, adjective, idiom, confused, insane) |
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| APA | Smart Define. (2016). cuckoo thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/cuckoo/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "cuckoo thesaurus" https://smartdefine.org/cuckoo/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, cuckoo thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/cuckoo/thesaurus/synonyms>. |
| MLA | Smart Define. "cuckoo thesaurus" 30 March 2016. Web. 23 September 2026. <https://smartdefine.org/cuckoo/thesaurus/synonyms> |