slang, cant, jargon, lingo, argot, patois, vernacular -- (a characteristic language of a particular group (as among thieves); "they don't speak our lingo")
vernacular -- (the everyday speech of the people (as distinguished from literary language))
Overview of adj vernacular
The adj vernacular has 1 sense
common, vernacular, vulgar -- (being or characteristic of or appropriate to everyday language; "common parlance"; "a vernacular term"; "vernacular speakers"; "the vulgar tongue of the masses"; "the technical and vulgar names for an animal species")
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