n. 25B6; noun
they all know his quirks : IDIOSYNCRASY, peculiarity, oddity, eccentricity, foible, whim, vagary, caprice, fancy, crotchet, habit, characteristic, trait, fad; informal hang-up.
a quirk of fate : CHANCE, fluke, freak, anomaly, twist.
n. 25B6; noun
they all know his quirks : IDIOSYNCRASY, peculiarity, oddity, eccentricity, foible, whim, vagary, caprice, fancy, crotchet, habit, characteristic, trait, fad; informal hang-up.
a quirk of fate : CHANCE, fluke, freak, anomaly, twist.
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012