id‧i‧o‧mat‧ic /ˌɪdiəˈmætɪk◂/
adjective1. idiomatic expression/phrase an idiom
2. typical of the natural way in which someone speaks or writes when they are using their own language:
He had the ability to write fluent and idiomatic English. the idiomatic richness of the Spanish language—idiomatically /-kli/
adverb [TahlilGaran] Dictionary of Contemporary English ▲