Regional dialects refer to the distinctive way of speaking used by people living in certain areas. They vary from region to region, and are often influenced by factors such as geography, culture, and history. Synonyms for the phrase regional dialect include local dialect, area dialect, provincial dialect, and vernacular speech. These synonyms denote the same patterns of speech, accent, and vocabulary that differentiate one region from another. The use of regional dialects often reflects a sense of pride and identity for the people who speak them and can contribute to the richness and diversity of language in a country.