118 entries under crazy topic. ×

4
unpredictable(adjective, unusual, strange, silly, foolish)
3
crazed(adjective, wild, silly, foolish)
3
demented(adjective, unusual, wild, strange, silly)
3
flighty(cuckoo, queer)
3
funky(adjective, informal, extraordinary, unusual, wild)
3
irrational(adjective, keen, warm, unusual, wild)
3
loco(adjective, mad, off, dotty)
3
non compos mentis(noun, expression, adjective, idiom)
3
nonconforming(adjective, strange, absurd, nonconforming)
3
potty(adjective, wild, silly, foolish)
3
unhinged(adjective, unusual, strange, silly, foolish)
2
balmy(adjective, wild, strange, silly, foolish)
2
beat(adjective, informal, extraordinary, unusual, wild)
2
characteristic(adjective, extraordinary, unusual, wild, strange)
2
daffy(adjective, silly, foolish, mad)
2
fanatic(noun, adjective, character, original)
2
foreign(adjective, unusual, strange, new)
2
madman(noun, character, loony, dissentient)
2
madwoman(noun, character, loony, dissentient)
2
neurotic(adjective, cuckoo, queer)
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APASmart Define. (2016). eccentric thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/eccentric/thesaurus/synonyms
ChicagoSmart Define. 2016. "eccentric thesaurus" https://smartdefine.org/eccentric/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, eccentric thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/eccentric/thesaurus/synonyms>.
MLASmart Define. "eccentric thesaurus" 30 March 2016. Web. 25 September 2026. <https://smartdefine.org/eccentric/thesaurus/synonyms>