'Mightily' in the Bible

The children of Israel cried to Yahweh: for he had nine hundred chariots of iron; and twenty years he mightily oppressed the children of Israel.

The Spirit of Yahweh came mightily on him, and he tore him as he would have torn a young goat; and he had nothing in his hand: but he didn't tell his father or his mother what he had done.

The Spirit of Yahweh came mightily on him, and he went down to Ashkelon, and struck thirty men of them, and took their spoil, and gave the changes [of clothing] to those who declared the riddle. His anger was kindled, and he went up to his father's house.

When he came to Lehi, the Philistines shouted as they met him: and the Spirit of Yahweh came mightily on him, and the ropes that were on his arms became as flax that was burnt with fire, and his bands dropped from off his hands.