Idiomatic is an American thoroughbred filly racehorse who has won multiple Grade I events in 2023, including the Personal Ensign Stakes at Saratoga Race Course, Spinster Stakes at Keeneland and Breeders' Cup Distaff at Santa Anita Park.

Idiom, also called idiomaticness or idiomaticity, is the syntactical, grammatical, or structural form peculiar to a language.

In music, an instrumental idiom refers to writing, parts, and performance, those being idiomatic or nonidiomatic depending on how well each is suited to the specific instrument intended, in terms of both ease of playing and quality of music and the inherent tendencies and limitations of specific instruments.

Of or relating to or conforming to idiom