'Stiffens' in the Bible

He stiffens his tail like a cedar tree;the tendons of his thighs are woven firmly together.

The one who stiffens his neck after numerous rebukes will suddenly be destroyed without remedy.

and whenever it seizes him, it slams him to the ground and he foams at the mouth, and grinds his teeth and stiffens out. I told Your disciples to cast it out, and they could not do it.”