337 entries under noun topic. ×

5
type(nature, feature, characteristic, appearance)
4
aptitude(feeling, affection, disposition, bent)
4
predisposition(feeling, affection, disposition, bent)
4
proclivity(feeling, affection, disposition, surprise)
4
propensity(feeling, affection, disposition, bent)
4
strangeness(characteristic, deviation, originality, individuality)
4
uncommonness
4
whim(feeling, twist, chance, disposition)
3
affectation(trait, look, conduct, individuality)
3
caprice(chance, peculiarity, nonconformity, unusualness)
3
cast(nature, feature, characteristic, quality)
3
diathesis
3
differentia(nature, feature, quality, style)
3
divergence(characteristic, change, difference, alteration)
3
earmark(nature, feature, characteristic, quality)
3
fancy(feeling, twist, chance, affection)
3
flavor(nature, feature, quality, style)
3
freakishness(characteristic, quirk, irregularity, unconformity)
3
nonconformity(characteristic, change, opposition, difference)
3
predilection(feeling, affection, disposition, bent)
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APASmart Define. (2016). idiosyncrasy thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/idiosyncrasy/thesaurus/synonyms
ChicagoSmart Define. 2016. "idiosyncrasy thesaurus" https://smartdefine.org/idiosyncrasy/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, idiosyncrasy thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/idiosyncrasy/thesaurus/synonyms>.
MLASmart Define. "idiosyncrasy thesaurus" 31 March 2016. Web. 29 September 2026. <https://smartdefine.org/idiosyncrasy/thesaurus/synonyms>