Synonyms 1.Disappear,fade,vanish suggest that something passes from sight. Disappear is used of whatever suddenly or gradually goes out of sight: We watched him turn down a side street and then disappear. Fade suggests a (complete or partial) disappearance that proceeds gradually and often by means of a blending into something else: Colors in the sky at sunrise quickly fade. Vanish suggests complete, generally rapid, and often mysterious disappearance: A mirage can vanish as suddenly as it appears.
1520s, from dis- "do the opposite of" (see dis-) + appear. Related: Disappeared; disappearing; disappears. Slang disappearing act is originally of magic shows; in figurative sense of "getting away" first attested 1913.