Definition of dialectual in English:

dialectual

adjective

  • Dialectal.

Pronunciation

dialectual

/ˌdʌɪəˈlɛktʃʊəl/ /ˌdʌɪəˈlɛktʃ(ʊ)l/ /ˌdʌɪəˈlɛktjʊəl/

Origin

Mid 19th century. Alteration of dialectal after adjectives in -ual, e.g. effectual.