The phrase "a deadly response" is correct and usable in written English.
It can be used in contexts where a reaction or reply is extremely harmful or lethal, either literally or metaphorically.
Example: "The government's decision to deploy military force was seen as a deadly response to the protests."
Alternatives: "a lethal reaction" or "a fatal reply."
Any innocent motion -- taking out his identification or groping for his apartment keys -- was instantly seen as an ominous gesture that required a deadly response.
Many who descended on the square Friday came expecting a deadly response.
Testimony in the Netherlands implicating Hezbollah is likely to provoke a deadly response in Lebanon; convictions will lead to even more violence against Sunnis.
Whether β-elemene-induced autophagy is a protective or a deadly response was confirmed later.
Of course, the DB5 seemed to have much more of a rough treatment in "Skyfall", where it was depicted being sprayed with machine gun bullets before being blown up, a dastardly deed that provoked Mr. Bond to a predictably deadly response.
Lamar Sims, chief deputy district attorney in Denver, called Rice's death "tragic and heartbreaking" but concluded that Loehmann's belief that Rice posed a threat, and his deadly response, were "objectively reasonable".
In defending the Israeli Prime Minister Benjamin Netanyahu's deadly response to Hamas's rocket attacks, she sounded almost like a spokesperson for the American Israel Public Affairs Committee.
That included a 1971 benefit for the families of those killed in the state's deadly response to the Attica Prison riot.
Another study, also published in the 12 May issue of Nature, hints that insulin triggers T cells' deadly response in humans too.
But of course deadly responses to cartoons depicting Muhammad are nothing new in the age of jihad.
One could imagine someone joining a completely ineffective terrorist-wannabe group, which might not justify a deadly U.S. government response.
