idiosyncrasy

/ˌɪd.i.əˈsɪŋ.krə.si/

Definition

› a strange or unusual habit, way of behaving, or feature that someone or something has: She often cracks her knuckles when she's speaking - it's one of her little idiosyncrasies. One of the idiosyncrasies of this printer is that you can't stop it once it has started.Habitual behaviour idiosyncratic

/-sɪŋˈkræt.ɪk/

/-sɪŋˈkræt̬.ɪk/ adjective › The film, three hours long, is directed in his usual idiosyncratic style.Strange, suspicious and unnaturalHabitual behaviour

(Definition of idiosyncrasy noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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