NguniPronunciation: /(ə)ŋˈguːni/Definition of Nguni noun (plural same) 1a member of a group of Bantu-speaking peoples living mainly in southern Africa. 2 [mass noun] the group of closely related Bantu languages, including Xhosa, Zulu, Swazi, and Ndebele, spoken by the Nguni. adjective relating to the Nguni or their languages. Origin:from ZuluNguni in other Oxford dictionaries Definition of Nguni in the US English dictionary