idiosyncrasies Definition

idiosyncrasy
noun idiosyncrasies

1. Any personal way of behaving, reacting or thinking; a personal peculiarity or eccentricity.

Thesaurus: eccentricity, peculiarity, quirk, oddity, singularity, habit, mannerism, characteristic, feature, trait.
2. medicine.
Hypersensitivity of an individual to a particular food, drug, etc.

Derivative: idiosyncratic
adj

Derivative: idiosyncratically
adverb

Etymology: 17c: from Greek idiosynkrasis, from idios own, syn together + krasis mixing.