I. |idēə|sin|krad.]ik, -dē(ˌ)ō|s-, -siŋ|-, -at], ]ēk adjective
Etymology: from idiosyncrasy, after such pairs as English apostasy : apostatic
1.
a. : peculiar to the individual
an idiosyncratic gesture
b. : of, relating to, or resulting from idiosyncrasy
idiosyncratic response to a drug
idiosyncratic disease
2. : marked by idiosyncrasy : eccentric
is so idiosyncratic in his literary judgments that it is impossible to think of him as a sound critic — Saturday Review
• id·i·o·syn·crat·i·cal·ly ]ə̇k(ə)lē, ]ēk-, -li\ adverb
II. noun
( -s )
: one that is idiosyncratic