Oxford Dictionary English sound effect nounnoun BrE BrE//ˈsaʊnd ɪfekt// ; NAmE NAmE//ˈsaʊnd ɪfekt// [usually plural] Computer software, Film reviews and promotion Add to my wordlistjump to other resultsa sound that is made artificially, for example the sound of the wind or a battle, and used in a film/movie, play, computer game, etc. to make it more realistic Wordfinderfilmactor, cameraman, cinema, dialogue, director, dub, film, location, scenario, sound effect See related entries: Computer software, Film reviews and promotionSee sound effect in the Oxford Advanced American DictionaryCheck pronunciation: sound effect oxfordlearnersdictionaries.com