Simple Definition of idiosyncrasy
: an unusual way in which a particular person behaves or thinks
: an unusual part or feature of something
Full Definition of idiosyncrasy
1 a : a peculiarity of constitution or temperament : an individualizing characteristic or quality b : individual hypersensitiveness (as to a drug or food)
2 : characteristic peculiarity (as of temperament); broadly : eccentricity
Examples of idiosyncrasy
Her habit of using “like” in every sentence was just one of her idiosyncrasies.
The current system has a few idiosyncracies.
Origin of idiosyncrasy
Greek idiosynkrasia, from idio- + synkerannynai to blend, from syn- + kerannynai to mingle, mix — more at crater
First Known Use: 1604
IDIOSYNCRASY Defined for Kids
Definition of idiosyncrasy
: an unusual way of behaving or thinking that is characteristic of a person <When you know someone a long time, you become accustomed to their idiosyncrasies … — Lemony Snicket, The Ersatz Elevator>
Medical Definition of idiosyncrasy
1: a peculiarity of physical or mental constitution or temperament
2: individual hypersensitiveness (as to a drug or food) <anemia accompanying the use of a sulfa drug is usually considered to be due to idiosyncrasy>
Learn More about idiosyncrasy
Thesaurus: All synonyms and antonyms for "idiosyncrasy" Medical Dictionary: Definition of "idiosyncrasy" Spanish Central: Translation of "idiosyncrasy" Nglish: Translation of "idiosyncrasy" for Spanish speakers Britannica English: Translation of "idiosyncrasy" for Arabic speakers
Seen and Heard
What made you want to look up idiosyncrasy? Please tell us where you read or heard it (including the quote, if possible).