bidialectal

[ bahy-dahy-uh-lek-tuh l ]
/ ˌbaɪ daɪ əˈlɛk təl /

adjective

proficient in or using two dialects of the same language.

Origin of bidialectal

1965–70; bi-1 + dialectal, on the model of bilingual

OTHER WORDS FROM bidialectal

bi·di·a·lec·tal·ism, bi·di·a·lect·ism, noun bi·di·a·lec·tal·ist, noun bi·di·a·lec·tal·ly, adverb