460 entries under adjective topic. ×

4
brainsick(insane, sane)
4
bughouse
4
crackpot
4
delirious(wrong, wild, enthusiastic, silly)
4
distraught(foolish, unreasonable, sane, illogical)
4
fool
4
funny(light, unusual, wild, strange)
4
harebrained(weak, simple, wild, silly)
4
mentally ill(sane, unwell)
4
not all there(expression, idiom, crazy, unstable)
4
nutlike
4
off
4
off-the-wall(wrong, pleasant, happy, foolish)
4
off the wall(expression, idiom, light, unusual)
4
outrageous(silly, foolish, unwise, preposterous)
4
psycho(silly, foolish, crazy, mad)
4
quirky(extraordinary, unusual, wild, strange)
4
risible
4
unreasonable(weak, simple, wrong, silly)
4
unusual(beat, wild, strange, foolish)
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APASmart Define. (2015). nutty thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/nutty/thesaurus/synonyms
ChicagoSmart Define. 2015. "nutty thesaurus" https://smartdefine.org/nutty/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, nutty thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/nutty/thesaurus/synonyms>.
MLASmart Define. "nutty thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/nutty/thesaurus/synonyms>