RastafariPronunciation: /ˌrastəˈfɑːri/Definition of Rastafari noun [mass noun, usually as modifier] the Rastafarian movement: Rastafari history and cultureOrigin:from Ras Tafari, the name by which Haile Selassie was known (1916–30)Rastafari in other Oxford dictionaries Definition of Rastafari in the US English dictionary