'Deadly' in the Bible

“Their quiver is [filled with the dead] like an open grave;They are all mighty men [heroes of their nation].

“They will die of deadly diseases. They will not be mourned or buried; they will be like dung on the surface of the ground and come to an end by sword and famine, and their dead bodies will be food for the birds of the air and for the beasts of the earth.”

‘Why do you cry out over your injury [since it is the natural result of your sin]?Your pain is incurable (deadly).Because your guilt is greatAnd your sins are glaring and innumerable,I have done these things to you.