123 entries under adjective topic. ×

5
irrational(silly, foolish, stupid, insane)
5
nuts(slang, silly, foolish, stupid)
5
nutty(slang, silly, foolish, stupid)
5
off(insane, sane)
5
senseless(silly, foolish, stupid, insane)
5
unhinged(silly, foolish, stupid, mad)
5
unsettled(silly, foolish, stupid, insane)
5
unsound(insane, sane)
4
batty(slang, silly, foolish, stupid)
4
bonkers(informal, silly, foolish, mad)
4
frenzied(silly, foolish, stupid, insane)
4
maniac(noun, insane, sane)
4
maniacal(silly, foolish, stupid, mad)
4
non compos mentis(expression, idiom, law, sane)
4
psychotic(silly, foolish, stupid, insane)
3
bizarre(silly, foolish, stupid, insane)
3
cuckoo(slang, silly, foolish, stupid)
3
disordered(insane, sane)
3
dotty(insane, sane)
3
idiotic(silly, foolish, stupid, mad)
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APASmart Define. (2015). moonstruck thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/moonstruck/thesaurus/synonyms
ChicagoSmart Define. 2015. "moonstruck thesaurus" https://smartdefine.org/moonstruck/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, moonstruck thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/moonstruck/thesaurus/synonyms>.
MLASmart Define. "moonstruck thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/moonstruck/thesaurus/synonyms>