What is another word for idiomatic expression?
Pronunciation: [ˌɪdɪəmˈatɪk ɛkspɹˈɛʃən] (IPA) 
Idiomatic expressions are phrases or sentences that are commonly used in a particular language. Synonyms for the term "idiomatic expression" include colloquialism, vernacular, jargon, slang, and figurative language. Colloquialisms are expressions that are used in informal or everyday speech. Vernacular refers to language that is used by a particular group of people or in a specific region. Jargon is specialized language used in a particular profession or industry. Slang is informal language that can be specific to a particular group or time period. Figurative language uses figures of speech such as metaphors and similes. All of these terms describe different types of idiomatic expressions that are commonly used in language.
