Fight off (5)
'fight off' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for repulse that I've seen before include "Repel" , "kick in the teeth" , "Battlecruiser" , "Cause to feel intense aversion" , "Rudely reject" .)
'fight off' is the definition.
(synonyms)
This is all the clue.
(Other definitions for repel that I've seen before include "give you the creeps" , "push off" , "Drive back or ward off" , "See off" , "Turn away" .)