- Definitions|2
- Thesaurus|2.6k
- Abbreviations|0
146 entries under adjective topic. ×
| vacuous | |
| childish | |
| doolally | |
| exorbitant | |
| extravagant | |
| extreme | |
| fanatical | |
| flaked-out | |
| frenetic | |
| have nobody home | |
| incredible | |
| ma(insane, distraught, batty) | |
| maddened | |
| manic | |
| not right upstairs | |
| nutty as a fruitcake(idiom, sane) | |
| off one's head(idiom, sane) | |
| off the rails | |
| out of it | |
| psychoneurotic |
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| APA | Smart Define. (2016). cuckoo thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/cuckoo/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "cuckoo thesaurus" https://smartdefine.org/cuckoo/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, cuckoo thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/cuckoo/thesaurus/synonyms>. |
| MLA | Smart Define. "cuckoo thesaurus" 30 March 2016. Web. 25 September 2026. <https://smartdefine.org/cuckoo/thesaurus/synonyms> |