1
irresponsible(adjective, silly, foolish, stupid, crazy)
1
neurotic
1
not right
1
nutty as a fruitcake(expression, adjective, off, lunatic, dotty)
1
off one's chump
1
paranoiac
1
preposterous(adjective, silly, foolish, stupid, crazy)
1
queer
1
rabid(adjective, silly, foolish, stupid, crazy)
1
raging(adjective, silly, foolish, stupid, crazy)
1
reasonless
1
schizoid
1
screwball(adjective, silly, foolish, mad, insane)
1
sick
1
sick in the head(expression, adjective, wrong, hacked, lunatic)
1
silly(adjective, foolish, stupid, mad, insane)
1
stark raving mad(expression, adjective, off, lunatic, dotty)
1
tetched
1
unscrewed(frantic, hacked, unglued, lunatic, potty)
1
unzipped(adjective, silly, foolish, mad, insane)
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APASmart Define. (2015). of unsound mind thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/of_unsound_mind/thesaurus/synonyms
ChicagoSmart Define. 2015. "of unsound mind thesaurus" https://smartdefine.org/of_unsound_mind/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, of unsound mind thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/of_unsound_mind/thesaurus/synonyms>.
MLASmart Define. "of unsound mind thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/of_unsound_mind/thesaurus/synonyms>