basilectPronunciation: /ˈbasɪlɛkt, ˈbeɪsɪ-/Definition of basilect noun Linguistics a less prestigious dialect or variety of a particular language. Often contrasted with acrolect.Derivatives basilectalPronunciation: /-ˈlɛkt(ə)l/ adjective Origin: 1960s: from basis + -lect as in dialectbasilect in other Oxford dictionaries Definition of basilect in the US English dictionary