We are not talking about an end to spree killing, only about a (perhaps) very slight reduction in its deadliness.
It would be unsafe to eat an animal killed with strychnine, on account of the deadliness of the poison.
Silently and with deadliness apparent in every move they approached him.
There can be little doubt that the deadliness of the valley is a tradition rather than a reality.
As to Navel-ill, much has been written on the deadliness of the complaint.
But the knowledge of his deadliness kept him from being made a target.
He was deadly quiet about it; and the deadliness and quietness subdued her.
A quality of deadliness—of inexorable deadliness which could well have chilled the stoutest heart that fronted it.
The only difference between them is the varying degree of deadliness.
Burnside's heavy losses abundantly proved the stoutness of the resistance and the deadliness of the charges of the Georgia troops.
Extremely: She is deadly serious about it (1300+)