Englishidiosyncrasy
noun
his idiosyncrasies included the recycling of cigar butts |
sleep patterns show a high degree of idiosyncrasy:
peculiarity, individual/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.