Dialect is a unique variation of a language spoken in a specific geographic region or by a particular group of people. There are several synonyms that can be used to describe dialects, including vernacular, jargon, patois, and idiom. A dialect is often characterized by its distinct pronunciation, grammar, vocabulary, and syntax. The vernacular refers to the language spoken by ordinary people in a specific region or social group, while jargon is specialized vocabulary used by members of a particular profession or group. Patois is a regional dialect that is often thought of as being rustic or uneducated, while idiom refers to the specific expressions and phrases unique to a particular dialect.