the form of a language that is spoken in one area with grammar, words and pronunciation that may be different from other forms of the same languagethe Yorkshire dialectdialect words/expressionscompareaccent,idiolectWordfinderlanguageaccent,alphabet,dialect,grammar,language,literacy,literature,pronunciation,translate,wordOxford Collocations Dictionaryadjectivelocal,native,regional,…verb + dialectspeak,speak indialect + nounform,word,speaker,…Seefull entryWord Originmid 16th cent. (denoting the art of investigating the truth of opinions): from French dialecte, or via Latin from Greek dialektos ‘discourse, way of speaking’, from dialegesthai ‘converse with’, from dia ‘through’ + legein ‘speak’.Extra examplesAll languages and dialects change over time.She spoke in broad Yorkshire dialect.The poet uses a variety of Scots dialect words and expressions.
See dialect in the Oxford Advanced American Dictionary