Rwandese /ɹə.wænˈdiːz/adjective 1noun 1forms 2 adjective1 •Of, from, or pertaining to Rwanda, the Rwandese people or language. See: Rwandan.In 2003, Rwanda changed its official name from "Rwandese Republic" to "Republic of Rwanda". noun1 •A person from Rwanda or of Rwandese descent. formsmore Rwandese · most Rwandese