Definition of fades:
(v) :
(intransitive) To grow weak; to lose strength; to decay; to perish gradually; to wither, as a plant.
(v) :
(intransitive) To lose freshness, color, or brightness; to become faint in hue or tint; hence, to be wanting in color.
(v) :
(intransitive) To sink away; to disappear gradually; to grow dim; to vanish.
(n) :
(music, cinematography) A gradual decrease in the brightness of a shot or the volume of sound or music (as a means of cutting to a new scene or starting a new song).
(n) :
(slang) The act of disappearing from a place so as not to be found; covert departure.
(v) :
(transitive) To cause to fade.