5
turn(noun, nature, feature, appearance, quality)
5
type(noun, nature, feature, characteristic, appearance)
4
aptitude(noun, feeling, affection, disposition, bent)
4
predisposition(noun, feeling, affection, disposition, bent)
4
proclivity(noun, feeling, affection, disposition, surprise)
4
propensity(noun, feeling, affection, disposition, bent)
4
strangeness(noun, characteristic, deviation, originality, individuality)
4
uncommonness(noun, unconformity)
4
whim(noun, feeling, twist, chance, disposition)
3
affectation(noun, trait, look, conduct, individuality)
3
caprice(noun, chance, peculiarity, nonconformity, unusualness)
3
cast(noun, nature, feature, characteristic, quality)
3
diathesis(noun, affections)
3
differentia(noun, nature, feature, quality, style)
3
divergence(noun, characteristic, change, difference, alteration)
3
earmark(noun, nature, feature, characteristic, quality)
3
fancy(noun, feeling, twist, chance, affection)
3
flavor(noun, nature, feature, quality, style)
3
freakishness(noun, characteristic, quirk, irregularity, unconformity)
3
grain(tendency, affections)
10 years ago|14k views|share |citing 
APASmart Define. (2016). idiosyncrasy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/idiosyncrasy/thesaurus/synonyms
ChicagoSmart Define. 2016. "idiosyncrasy thesaurus" https://smartdefine.org/idiosyncrasy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, idiosyncrasy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/idiosyncrasy/thesaurus/synonyms>.
MLASmart Define. "idiosyncrasy thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/idiosyncrasy/thesaurus/synonyms>