'Strong' in the Bible

And I saw a strong angel proclaiming with a loud voice, “Who is worthy to open the book and to break its seals?”

Then the kings of the earth and the great men and the commanders and the rich and the strong and every slave and free man hid themselves in the caves and among the rocks of the mountains;

I saw another strong angel coming down out of heaven, clothed with a cloud; and the rainbow was upon his head, and his face was like the sun, and his feet like pillars of fire;

and they were not strong enough, and there was no longer a place found for them in heaven.

For this reason in one day her plagues will come, pestilence and mourning and famine, and she will be burned up with fire; for the Lord God who judges her is strong.

standing at a distance because of the fear of her torment, saying, ‘Woe, woe, the great city, Babylon, the strong city! For in one hour your judgment has come.’

Then a strong angel took up a stone like a great millstone and threw it into the sea, saying, “So will Babylon, the great city, be thrown down with violence, and will not be found any longer.