Stare angrily (5)
I believe the answer is:
glare
'stare angrily' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for glare that I've seen before include "Stare angrily" , "Stare fiercely - 5 down (anag)" , "Angry stare" , "fierce look" , "Large (anag.)" .)