146 entries under adjective topic. ×

9
deranged(wild, silly, foolish, stupid)
9
foolish(silly, stupid, unwise)
9
gaga(noun, informal, insane, sane)
9
loco(slang, insane, sane)
8
bananas(slang, sane)
8
dippy(silly, foolish, mad, insane)
8
fatuous(wrong, wild, silly, foolish)
8
fruity(slang, silly, foolish, mad)
8
potty(silly, foolish, mad, insane)
8
psycho(noun, wild, silly, foolish)
8
touched(silly, stupid, crazy, mad)
8
unbalanced(silly, foolish, crazy, mad)
7
crackers
7
crackpot(noun, mad, wise, schizophrenic)
7
goofy(silly, foolish, unwise)
7
idiotic(wild, silly, foolish, stupid)
7
mental(noun, slang, silly, mad)
7
mentally ill(expression, idiom, sane, unwell)
7
silly(foolish, stupid, crazy, mad)
6
kooky(silly, foolish, crazy, mad)
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APASmart Define. (2016). cuckoo thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/cuckoo/thesaurus/synonyms
ChicagoSmart Define. 2016. "cuckoo thesaurus" https://smartdefine.org/cuckoo/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, cuckoo thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/cuckoo/thesaurus/synonyms>.
MLASmart Define. "cuckoo thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/cuckoo/thesaurus/synonyms>