Yell at (6)
I believe the answer is:
berate
'yell at' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for berate that I've seen before include "Scold, censure" , "Censure severely or angrily" , "Condemn" , "Rebuke" , "Angrily scold/criticise" .)