— idiosyncratic /id'ee oh sin krat"ik, -sing-/ , adj. — idiosyncratically , adv.
/id'ee euh sing"kreuh see, -sin"-/ , n. , pl. idiosyncrasies .
1. a characteristic, habit, mannerism, or the like, that is peculiar to an individual.
2. the physical constitution peculiar to an individual.
3. a peculiarity of the physical or the mental constitution, esp. susceptibility toward drugs, food, etc. Cf. allergy (def. 1).
Also, idiocrasy .
[ 1595-1605; idiosynkrasía, equiv. to idio- IDIO- + syn- SYN- + krâs ( is ) a blending + -ia -Y 3 ]
Syn. 1. peculiarity, quirk. See eccentricity .