Idiosyncrasy n. : A peculiarity of physical or mental constitution or temperament; a characteristic belonging to, and distinguishing, an individual; characteristic susceptibility; idiocrasy; eccentricity.

Example:
What is the meaning of :- I am propagating a uni-caramel form of Idiosyncrasy occuring malevolently ?

Taxonomy
Idiosyncrasy, free encyclopedia, idiosyncratic risk, substance, risk, Disease, reaction, symptoms, Psychiatry, search, free dictionary, temperament, habit, body, syn, krasis, mixture, characteristic of a person.

Defination from the web:
idiosyncrasy in Wiktionary, the free dictionary. Idiosyncrasy, from Greek ιδιοσυγκρασία, idiosyngkrasía, "a peculiar temperament", "habit of body" (idios "one's own" and syn-krasis "mixture") is ...