Synonyms of idiosyncrasy in English:

idiosyncrasy


See US English definition of idiosyncrasy

See UK English definition of idiosyncrasy

See Spanish definition of idiosincrasia

noun

1‘his idiosyncrasies included the recycling of cigar butts’

SYNONYMS
peculiarity, individual trait, personal trait, oddity, eccentricity, mannerism, quirk, whim, whimsy, fancy, fad, vagary, notion, conceit, caprice, kink, twist, freak, fetish, passion, bent, foible, crotchet, habit, characteristic, speciality, quality, feature
individuality
unconventionality, unorthodoxy
archaic megrim
rare singularity