idiosyncrasy synonyms

idiosyncrasy

n.

eccentricity, characteristic, peculiarity, quirk, affectation, mannerism, habit, trait; see also quirk.

idiosyncrasy refers to any personal mannerism or peculiarity and connotes strong individuality the idiosyncrasies of a writer's style; eccentricity implies considerable deviation from what is normal or customary and connotes whimsicality or even mental aberration his eccentricity of wearing overshoes in the summer

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