sound effect

noun
UK /ˈsaʊnd ɪˌfekt/
US /ˈsaʊnd ɪˌfekt/

A sound effect is a sound made to seem like something real, like thunder or a doorbell.

The movie used a loud sound effect to make the dinosaur's roar seem real.


OTHER MEANINGS

2. A recorded or created sound used in a film, game, or show to add realism or drama.

The game designers added a splash sound effect when the character jumped into the water.

3. Any artificial sound used to imitate a real event in a performance or broadcast.

The radio play used a creaking sound effect for the opening door.

4. A sound that draws attention or creates a mood in media.

A soft wind sound effect made the scene feel calm and spooky.