definition of
disappear

[1] #1 disappear v. [vanish, go away] get lost, as without warning or explanation; "He disappeared without a trace". wn

[2] #2 disappear v. [vanish, go away] become invisible or unnoticeable; "The effect vanished when day broke". wn

[3] #3 disappear v. [vanish] cease to exist; "An entire civilization vanished". wn

[4] #4 disappear v. [melt, evaporate] become less intense and fade away gradually; "her resistance melted under his charm"; "her hopes evaporated after years of waiting for her fiance". wn