Disappear

disappear, v.intr.

1.  to cease to be visible; to pass out of sight; vanish

2.  to go away or become lost, esp secretly or without explanation

3.  to cease to exist, have effect, or be known; become extinct or lost: the pain has disappeared. 

 

Synonyms: evanesce, evaporate, fade, vanish
These verbs mean to pass out of sight or existence: a skyscraper disappearing in the fog; time seeming to evanesce; courage evaporating; memories fading away; hope slowly vanishing.

 

Disappear, fade, vanish mean that something or someone passes from sight or existence. Disappear is used of whatever suddenly or gradually goes away: We watched them turn down a side street and disappear. Fade suggests a complete or partial disappearance that proceeds gradually and often by means of a blending into something else: Dusk faded into darkness. Vanish suggests complete, generally rapid disappearance: The sun vanished behind clouds.