'Loose' in the Bible

Now Jephthah the Gileadite was a great man of war; he was the son of a loose woman, and Gilead was his father.

Then firing the sticks, he let the foxes loose among the uncut grain of the Philistines, and all the corded stems as well as the living grain and the vine-gardens and the olives went up in flames.

Now Samson went to Gaza, and there he saw a loose woman and went in to her.

And the people were moved with pity for Benjamin, because the Lord had let his wrath loose on the tribes of Israel.