fadeout
nounUK /ˈfeɪd.aʊt/
US /ˈfeɪd.aʊt/
A fadeout is when a sound or picture slowly gets quieter or darker until it is gone.
The song ends with a slow fadeout.
RELATED WORDS
OTHER MEANINGS
2. A gradual decrease in the brightness of a film or TV image until the screen goes dark.
The movie closes with a fadeout on the empty beach.
3. A gradual loss of radio or phone signal.
We heard a fadeout on the call before it dropped.
4. A slow disappearance of something, like interest or attention.
There was a fadeout of excitement after the holidays.