'Mightily' in the Bible

And a crier is calling mightily: 'To you they are saying: O peoples, nations, and languages!

He is calling mightily, and thus hath said, Cut down the tree, and cut off its branches, shake off its leaves, and scatter its budding, move away let the beast from under it, and the birds from off its branches;

Call doth the king mightily, to bring up the enchanters, the Chaldeans, and the soothsayers. Answered hath the king, and said to the wise men of Babylon, that, 'Any man who doth read this writing, and its interpretation doth shew me, purple he putteth on, and a bracelet of gold is on his neck, and third in the kingdom he doth rule.'

And one hath stood up from a branch of her roots, in his station, and he cometh in unto the bulwark, yea, he cometh into a stronghold of the king of the south, and hath wrought against them, and hath done mightily;