"counterattack" in the noun sense
1. counterattack, countermove
an attack by a defending force against an attacking enemy force in order to regain lost ground or cut off enemy advance units etc.
2. counterattack, counterplay
chess) an attack that is intended to counter the opponent's advantage in another part of the board
"counterattack" in the verb sense
1. counterattack, counterstrike
make a counterattack
Source: WordNet® (An amazing lexical database of English)
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