Outshine (7)
There are a few possibilities for this:
overshadow
'outshine' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for eclipse that I've seen before include "Total - - of the sun" , "When one celestial body obscures another" , "Heavenly obscuration" , "Black out" , "Block" .)
'outshine' is the definition.
(I know that upstage is a more specific form of outshine)
This is the entire clue.
(Other definitions for upstage that I've seen before include "Divert attention from another as actor might in play" , "Steal the show by moving here" , "Better" , "Be haughty towards" , "Pugs eat (anag.)" .)
'outshine' is the definition.
(I know that outshine is a more specific form of surpass)
This is all the clue.
(Other definitions for surpass that I've seen before include "Outdo" , "Exceed" , "Be better than (another)" , "eclipse visible" , "supply best" .)
'outshine' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for overshadow that I've seen before include "Dwarf" , "Cast gloom on" , "Eclipse" , "Dominate" .)