6
insane(adjective, foolish, crazy, ill, irrational)
5
deranged(adjective, crazy, irrational)
4
irresponsible
3
crazy(adjective, strange, irrational, sane)
3
distraught(adjective, upset, sane)
3
fruity(adjective, insane, sane)
3
loco(adjective, insane, sane)
3
moonstruck(adjective, insane, sane)
3
reckless
2
bananas(adjective, irrational, sane)
2
brainsick(adjective, insane, sane)
2
careless
2
cuckoo(adjective, irrational, sane)
2
daffy(adjective, irrational, sane)
2
loony(adjective, crazy, sane)
2
mad(adjective, crazy, insane, sane)
2
mentally ill(adjective, sane, unwell)
2
unstable(adjective, irrational)
1
around the bend(adjective, irrational)
1
batty(adjective, sane)
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APASmart Define. (2011). out of one's mind thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/out_of_one%27s_mind/thesaurus/synonyms
ChicagoSmart Define. 2011. "out of one's mind thesaurus" https://smartdefine.org/out_of_one%27s_mind/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2011, out of one's mind thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/out_of_one%27s_mind/thesaurus/synonyms>.
MLASmart Define. "out of one's mind thesaurus" 23 May 2011. Web. 23 September 2026. <https://smartdefine.org/out_of_one%27s_mind/thesaurus/synonyms>