4
odd(adjective, unusual, wild, strange, silly)
4
off-the-wall(adjective, foolish, unreasonable, illogical)
4
schizoid(adjective, insane)
4
schizophrenic(adjective, silly, foolish, stupid, hacked)
4
senseless(silly, foolish, stupid, unreasonable, unwise)
4
unsettled(adjective, silly, foolish, stupid, hot)
4
wrong(adjective, foolish, unreasonable, sane, illogical)
3
abnormal
3
beside oneself(expression, adjective, idiom, upset, violent)
3
bizarre(adjective, wrong, unusual, wild, strange)
3
brainless(foolish, unreasonable, illogical)
3
bugs
3
confused
3
crackpot
3
eccentric(adjective, unusual, wild, strange, silly)
3
flaky(adjective, silly, foolish, crazy, mad)
3
foul
3
goofy(adjective, strange, silly, foolish, odd)
3
hare-brained(adjective, silly, foolish, crazy, zany)
3
kinky(adjective, unusual, strange, unstable, disturbed)
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APASmart Define. (2015). demented thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/demented/thesaurus/synonyms
ChicagoSmart Define. 2015. "demented thesaurus" https://smartdefine.org/demented/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, demented thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/demented/thesaurus/synonyms>.
MLASmart Define. "demented thesaurus" 17 July 2015. Web. 23 September 2026. <https://smartdefine.org/demented/thesaurus/synonyms>