1. phrasal verb. When something fades out, it slowly becomes less noticeable or less important until it disappears completely. He thought her campaign would probably fade out soon in any case. [

What does the term fade out mean?

: an act or instance of fading out especially : a gradual decrease in a motion-picture or television image's visibility at the end of a sequence.

What fade in and fade out means?

fade in To appear or cause to appear gradually from silence or darkness, especially as a transition in a cinematic work, audio recording, or performance. fade out To diminish gradually to silence or darkness, especially as a transition in a cinematic work, audio recording, or performance.