Definition of monodialectal in English:

monodialectal

adjective

  • Speaking, knowing, or using only one dialect of a language.

Origin

1960s. From mono- + dialectal. Compare slightly earlier monodialectally.

Pronunciation

monodialectal

/ˌmɒnə(ʊ)ˌdʌɪəˈlɛktl/