This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A structural or behavioral characteristic peculiar to an individual or group.

n. A physiological or temperamental peculiarity.

n. An unusual individual reaction to food or a drug.

n. A behavior or way of thinking that is characteristic of a person.

n. A language or behaviour that is particular to an individual or group.

n. A peculiar individual reaction to a generally innocuous substance or factor.

n. A peculiarity that serves to distinguish or identify.

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

n. A peculiarity of mental or physical constitution or temperament; characteristic susceptibility or antipathy inherent in an individual; special mental disposition or tendency.

n. a behavioral attribute that is distinctive and peculiar to an individual

"With those who have lived years down south, one can easily realize that this idiosyncrasy is nothing more than commonplace and an inherent part of living with the natives."

distinctiveness    peculiarity    speciality    specialness    specialty   

idiocrasy    eccentricity    peculiarit   

quirk    eccentricity    foible    oddity    peculiarity    failing    susceptibility    predisposition    excellences    shortcoming