insensibility

At first the CO2 is emitted at a concentration that will render the birds unconscious — a phase of slaughter known as “the induction of insensibility.”

By the time another keeper entered the cage with a club and pounded the coyote “almost into insensibility,” Edwards’s right arm was in tatters, his little finger in need of amputation.

Each instant he seemed as though he would open his eyes and speak; but then would follow a prolonged stertorous breath, and he would relapse into a more fixed insensibility.

“Let us be thankful that you are preserved from a state of such insensibility.”

I stopped and my senses poised themselves on the brink of insensibility, ready to swoop away at the merest nod from me.