5
winsome(adjective, appearance, taste, beauty, smell)
5
yummy(adjective, appearance, taste, beauty, smell)
5
zealous(adjective, keen, warm, passionate, enthusiastic)
4
around the bend(expression, adjective, idiom, sane)
4
bizarre(adjective, wild, strange, silly, crazy)
4
brainsick(adjective, insane, sane)
4
bughouse
4
crackpot(adjective, lunatic)
4
curious(extraordinary, unusual, wild, strange, crazy)
4
delirious(adjective, wrong, wild, enthusiastic, silly)
4
distraught(adjective, foolish, unreasonable, sane, illogical)
4
flighty(crazy, cuckoo, queer)
4
fool
4
funny(adjective, light, unusual, wild, strange)
4
harebrained(adjective, weak, simple, wild, silly)
4
irregular(extraordinary, unusual, wild, strange, crazy)
4
mentally ill(adjective, sane, unwell)
4
not all there(expression, adjective, idiom, crazy, unstable)
4
nutlike
4
off(adjective, sane)
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APASmart Define. (2015). nutty thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/nutty/thesaurus/synonyms
ChicagoSmart Define. 2015. "nutty thesaurus" https://smartdefine.org/nutty/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, nutty thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/nutty/thesaurus/synonyms>.
MLASmart Define. "nutty thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/nutty/thesaurus/synonyms>