7
way-out(adjective, unusual, wild, strange, fantastic)
6
batty(adjective, keen, warm, wild, silly)
6
dotty(adjective, strange, crazy, odd, unconventional)
6
duck(noun, character, figure, original, personality)
6
fitful(adjective, irregular, unpredictable, unreliable, uneven)
6
fluctuating(adjective, irregular, unreliable, uneven, variable)
6
kook(noun, person, character, slang, unusual)
6
loony(noun, adjective, informal, wild, strange)
6
off(adjective, odd, bizarre, outlandish, nonconforming)
6
outre(adjective, unusual, wild, strange, new)
6
pixilated(adjective, characteristic, person, crazy, behavior)
6
quizzical(adjective, unusual, wild, funny, irregular)
6
screwy(adjective, extraordinary, unusual, wild, strange)
6
unfamiliar(adjective, unusual, special, odd, rare)
6
unsystematic(adjective, irregular, unreliable, uneven, variable)
5
Bohemian(adjective, unusual, original, radical, liberal)
5
barmy(adjective, silly, foolish, unwise)
5
changeable(adjective, unusual, irregular, unpredictable, unreliable)
5
comical(adjective, wild, strange, funny, ridiculous)
5
deranged(adjective, wild, silly, foolish, stupid)
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APASmart Define. (2016). eccentric thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/eccentric/thesaurus/synonyms
ChicagoSmart Define. 2016. "eccentric thesaurus" https://smartdefine.org/eccentric/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, eccentric thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/eccentric/thesaurus/synonyms>.
MLASmart Define. "eccentric thesaurus" 30 March 2016. Web. 23 September 2026. <https://smartdefine.org/eccentric/thesaurus/synonyms>