217 entries under adjective topic. ×

5
screwball(noun, slang, silly, mad)
5
stupid(wild, silly, foolish, crazy)
4
around the bend(expression, idiom, sane)
4
cockamamie(slang, silly, foolish, crazy)
4
erratic(wild, silly, foolish, crazy)
4
keen(concern, passionate, silly, foolish)
4
moronic(stupid, crazy, insane)
4
nonsensical(silly, foolish, unwise)
4
off one's rocker(idiom, sane)
4
outlandish(silly, foolish, unwise)
4
pixilated(slang, crazy, mad)
4
schizo(noun, slang, silly, mad)
4
senseless(silly, foolish, stupid, unwise)
4
whacky
3
ardent
3
berserk(wild, silly, foolish, crazy)
3
brainsick(insane, sane)
3
bugs
3
crack-brained
3
disordered
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APASmart Define. (2016). nuts thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/nuts/thesaurus/synonyms
ChicagoSmart Define. 2016. "nuts thesaurus" https://smartdefine.org/nuts/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, nuts thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/nuts/thesaurus/synonyms>.
MLASmart Define. "nuts thesaurus" 3 March 2016. Web. 22 September 2026. <https://smartdefine.org/nuts/thesaurus/synonyms>