Disappear (6)
'disappear' is the definition.
(I know that disappear can be written as vanish)
This is all the clue.
(Other definitions for vanish that I've seen before include "Become invisible" , "Disappear or fade from sight" , "Disappear suddenly" , "Disappear (in a puff of smoke?)" , "Cease to exist" .)
'disappear' is the definition.
(I know that disappear can be written as evaporate)
This is the entire clue.
(Other definitions for evaporate that I've seen before include "Melt away" , "vanish" , "let off steam" , "go a stage further?" , "Fade away gradually" .)