Retaliatory action (13)
'retaliatory action' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for counterattack that I've seen before include "Onslaught in response" , "Retaliatory action" , "Fight back" , "Riposte to an offensive" , "Responsive onslaught" .)
'retaliatory action' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for reprisal that I've seen before include "compensation" , "Retaliatory deed" , "comeback" , "Retaliation for an injury" , "Retaliatory action against an enemy" .)