Wiktionary
n. A threat made in response to an earlier threat by another party
Usage examples of "counterthreat".
So quickly, Kafari doubted the reporters had even noticed the silent exchange of threat and counterthreat between them, too delighted by the overt conflict to notice the deeper and far more dangerous one.
Not that the forest creatures were without defenses: for millions of years threat and counterthreat had evolved here.
Theories and threats and counterthreats were being bandied about throughout the region.
So, in his capacity as battle group commander, he was expected to disregard any Haydonite counterthreats communicated to the Ark Angel and accept on faith that history mattered only to the victors.
There'll be naval blockades, threats and counterthreats, blackmail and extortion.
A negotiation, or even an exchange of threats and counterthreats seemed unlikely, given the participants’ nonverbal natures.