Slanguages are informal or non-standard varieties of a language that are characteristic of a particular cultural or social group. Some synonyms for slanguages are slang, colloquialism, jargon, argot, cant, patois, and vernacular. Slang is the most common synonym, referring to a set of casual or subcultural words and expressions outside standard usage. Colloquialism similarly describes informal expressions used in everyday speech. Jargon denotes technical or specialized vocabulary used by professionals or hobbyists. Argot, cant, and patois describe slanguages associated with specific groups, such as criminals, beggars, or rural communities, respectively. Meanwhile, vernacular refers to the regional or local variety of a language that is not standard.