'Weaken' in the Bible

How art thou fallen from heaven, O Lucifer, son of the morning! how art thou cut down to the ground, which didst weaken the nations!

I chattered like a swallow or a crane. I moaned like a dove. My eyes weaken looking upward. Lord, I am oppressed. Be my security."

O Lord, do not Your eyes look for truth?You have smitten them,But they did not weaken;You have consumed them,But they refused to take correction.They have made their faces harder than rock;They have refused to repent.

And the princes said unto the king, Let this man, we pray thee, be put to death; for why should he weaken the hands of the men of war that remain in this city, and the hands of all the people, in speaking to them according to these words? for this man seeketh not the welfare of this people, but the hurt.

The Lord will terrify them, for he will weaken all the gods of the earth. All the distant nations will worship the Lord in their own lands.

His faith did not weaken when he thought about his own body (which was already as good as dead now that he was about a hundred years old) or about Sarah's inability to have children,