337 entries under noun topic. ×

2
unusualness(deviation, quirk, irregularity, peculiarity)
2
vagary(chance, coincidence, fluke)
2
warp
2
way(nature, state, characteristic, quality)
2
image(feature, characteristic, impression, indication)
2
inconsistency
2
index(feature, characteristic, indication, indicator)
2
indicator(feature, characteristic, indication)
2
individualism(nature, feature, characteristic, quality)
2
look
2
makeup(nature, characteristic, character, trait)
2
marking(feature, characteristic, impression, indication)
2
mind(feeling, disposition, predisposition, leaning)
2
mood(nature, feature, quality, style)
2
note(feature, characteristic, quality, property)
2
originality(nature, feature, characteristic, quality)
2
outlandishness(characteristic, quirk, irregularity, unconformity)
2
personality(nature, feature, state, quality)
2
savor(characteristic, quality, character, trick)
2
seal(feature, characteristic, impression, indication)
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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>