noun, plural id·i·o·syn·cra·sies.
Origin of idiosyncrasy
Synonyms for idiosyncrasy
Examples from the Web for idiosyncrasy
Historical Examples of idiosyncrasy
Another form of the trick of idiosyncrasy is the bald realism of the sensationalist.How to Write a Novel
It was certainly the Mafferton idiosyncrasy to be extravagantly kind.An American Girl in London
Sara Jeannette Duncan
I don't pretend to account for this idiosyncrasy of human nature; I merely state it as a fact.The Inner Shrine
He had a constitutional dislike for falsehoods, which was perhaps not so much a virtue as an idiosyncrasy.The Butterfly House
Mary E. Wilkins Freeman
It was an idiosyncrasy of Jackson's to gather and take with him every filing.The Long Roll
noun plural -sies
Word Origin for idiosyncrasy
c.1600, from French idiosyncrasie, from Greek idiosynkrasia "a peculiar temperament," from idios "one's own" (see idiom) + synkrasis "temperament, mixture of personal characteristics," from syn "together" (see syn-) + krasis "mixture" (see rare (adj.2)). Originally in English a medical term meaning "physical constitution of an individual." Mental sense first attested 1660s.