1) An idiomatic composer 2) Colloquial 3) Expression 4) Formulation 5) Idiomatical 6) Like climbing the walls 7) Like phrase book entries 8) Of language style 9) Vernacular Found on https://www.crosswordclues.com/clue/idiomatic
idiomatic 1. Characteristic of, or in keeping with, the way a language is ordinarily and naturally used by its native speakers. 2. Having a meaning not deductible from the combined meanings of the words that make it up. 3. Characteristic of a particular style, or using a particular and distinctive style, especially in the arts. 4. Peculiar to or ch... Found on http://www.wordinfo.info/words/index/info/view_unit/2794/2
peculiar to or characteristic of a particular language or dialect: idiomatic French. · containing or using many idioms. · having a distinct style or character, esp. in the arts: idiomatic writing; an idiomatic composer. Found on https://www.infoplease.com/dictionary/idiomatic