idiosyncrasy

noun id·i·o·syn·cra·sy \ ˌi-dē-ə-ˈsiŋ-krə-sē \
Updated on: 17 Nov 2017

Definition of idiosyncrasy

plural idiosyncrasies
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

idiosyncratic

play \ˌi-dē-ō-(ˌ)sin-ˈkra-tik\ adjective

idiosyncratically

play \ˌi-dē-ō-(ˌ)sin-ˈkra-ti-k(ə-)lē\ adverb

Examples of idiosyncrasy in a Sentence

  1. Her habit of using “like” in every sentence was just one of her idiosyncrasies.

  2. The current system has a few idiosyncracies.

Recent Examples of idiosyncrasy from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'idiosyncrasy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of idiosyncrasy

Greek idiosynkrasia, from idio- + synkerannynai to blend, from syn- + kerannynai to mingle, mix — more at crater


IDIOSYNCRASY Defined for English Language Learners

idiosyncrasy

noun

Definition of idiosyncrasy for English Language Learners

  • : an unusual way in which a particular person behaves or thinks

  • : an unusual part or feature of something


IDIOSYNCRASY Defined for Kids

idiosyncrasy

noun id·i·o·syn·cra·sy \ ˌi-dē-ə-ˈsiŋ-krə-sē \

Definition of idiosyncrasy for Students

plural idiosyncrasies
: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 Dictionary

idiosyncrasy

noun id·io·syn·cra·sy \ ˌid-ē-ə-ˈsiŋ-krə-sē \

medical Definition of idiosyncrasy

plural idiosyncrasies
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


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