/dis'euh pear"/ , v.i.
1. to cease to be seen; vanish from sight.
2. to cease to exist or be known; pass away; end gradually: One by one the symptoms disappeared.
[ 1520-30; DIS- 1 + APPEAR ]
Syn. 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.