idiosyncrasy


id·i·o·syn·cra·sy

noun \ˌi-dē-ə-ˈsiŋ-krə-sē\

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

: an unusual part or feature of something

plural id·i·o·syn·cra·sies

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
id·i·o·syn·crat·ic \ˌi-dē-ō-(ˌ)sin-ˈkra-tik\ adjective
id·i·o·syn·crat·i·cal·ly \-ˈkra-ti-k(ə-)lē\ adverb

Examples of IDIOSYNCRASY

  1. Her habit of using like in every sentence was just one of her idiosyncrasies.
  2. 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

Other Psychology Terms

fetish, hypochondria, intelligence, mania, narcissism, neurosis, pathological, psychosis, schadenfreude, subliminal

id·io·syn·cra·sy

noun \ˌid-ē-ə-ˈsiŋ-krə-sē\   (Medical Dictionary)
plural id·io·syn·cra·sies

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>

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