a variety of language spoken by people of a particular region or social group, that has its own pronunciation, grammar, and vocabulary
Everyone in the village speaks the same dialect.
The teacher explained how dialects evolve over time.
✦ From late Middle English dialecte, from French dialecte or Latin dialectus, from Ancient Greek διαλεκτός (dialektós, “discourse, way of speaking”), from διαλέγομαι (dialégomai, “I converse, discourse”).