a characteristic language of a particular group (as among thieves); "they don't speak our lingo"
informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar; "their speech was full of slang expressions"
characteristic of informal spoken language or conversation; "wrote her letters in a colloquial style"; "the broken syntax and casual enunciation of conversational English"
uttered through the medium of speech or characterized by speech; sometimes used in combination; "a spoken message"; "the spoken language"; "a soft-spoken person"; "sharp-spoken"