2
speciality(noun, feature, characteristic, quality, character)
2
style(noun, expression, nature, feature, quality)
2
susceptibility(noun, nature, quality, feeling, character)
2
taste(noun, feeling, affection, disposition, bent)
2
unusualness(noun, deviation, quirk, irregularity, peculiarity)
2
vagary(noun, chance, coincidence, fluke)
2
warp
2
way(noun, nature, state, characteristic, quality)
2
image(noun, feature, characteristic, impression, indication)
2
inconsistency(noun, unconformity)
2
index(noun, feature, characteristic, indication, indicator)
2
indicator(noun, feature, characteristic, indication)
2
individualism(noun, nature, feature, characteristic, quality)
2
look(noun, conduct)
2
makeup(noun, nature, characteristic, character, trait)
2
marking(noun, feature, characteristic, impression, indication)
2
mind(noun, feeling, disposition, predisposition, leaning)
2
mood(noun, nature, feature, quality, style)
2
note(noun, feature, characteristic, quality, property)
2
odor
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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>