- of or relating to idiosyncrasy; characteristic of a specific person
Collins Concise English Dictionary © HarperCollins Publishers::
idiosyncratic /ˌɪdɪəʊsɪŋˈkrætɪk/, idiosyncratical adj
id•i•o•syn•cra•sy /ˌɪdiəˈsɪŋkrəsi, -ˈsɪn-/USA pronunciation
n. [countable], pl. -sies.
WordReference Random House Unabridged Dictionary of American English © 2026- a characteristic, a habit, a particular like or dislike, etc., special to or distinctive of an individual:a few little idiosyncrasies, like wearing earmuffs inside and outside on cold days.
id•i•o•syn•cra•sy
(id′ē ə sing′krə sē, -sin′-),USA pronunciation n., pl. -sies.
id•i•o•syn•crat•ic
(id′ē ō sin krat′ik, -sing-),USA pronunciation adj.
id′i•o•syn•crat′i•cal•ly, adv.
- a characteristic, habit, mannerism, or the like, that is peculiar to an individual.
- the physical constitution peculiar to an individual.
- Physiology, Psychologya peculiarity of the physical or the mental constitution, esp. susceptibility toward drugs, food, etc. Cf. allergy (def. 1).
- Greek idiosynkrāsía, equivalent. to idio- idio- + syn- syn- + krâs(is) a blending + -ia -y3
- 1595–1605;
- 1. peculiarity, quirk. See eccentricity.
'idiosyncratic' also found in these entries (note: many are not synonyms or translations):