SusuPronunciation: /ˈsuːsuː/Definition of Susu noun (plural same) 1a member of a West African people of NW Sierra Leone and the southern coast of Guinea. 2the language of the Susu, which belongs to the Mande group and has about 700,000 speakers. adjective relating to the Susu or their language. Origin:the name in SusuSusu in other Oxford dictionaries Definition of Susu in the US English dictionary