grainyPronunciation: /ˈgreɪni/Translate grainy | into German | into Italian Definition of grainy adjective (grainier, grainiest) 1granular:soft cheese with a slightly grainy texture Photography showing visible grains of emulsion, as characteristic of old photographs or modern high-speed film. (of sound, especially recorded music) having a rough or gravelly quality:the grainy sound of bootleg cassettes 2(of wood) having prominent grain. Derivatives graininess noun grainy in other Oxford dictionaries Definition of grainy in the US English dictionary