To gradually lose color, brightness, or strength, or to cause something to do so.
If you hang your clothes out in the bright sun, they will fade.
The verb fade often describes a slow decline in intensity, color, or sound. It can refer not only to physical fading, such as fabric colors, but also to abstract concepts—for example, emotions or memories weakening over time.
Author's summary: The word "fade" signifies a gradual loss of color, brightness, or intensity, reflecting both physical and emotional weakening.