'Lose' in the Bible

At that time Joshua made this solemn declaration: "The man who attempts to rebuild this city of Jericho will stand condemned before the Lord. He will lose his firstborn son when he lays its foundations and his youngest son when he erects its gates!"

The LORD then told Joshua, "Don't be afraid or lose heart! Take all the fighting men with you, and go up right now to Ai. Take note that I have handed over the king of Ai into your control, along with his people, his city, and his land.

Because Joshua and the entire fighting force of Israel pretended to lose the battle by running away in front of them toward the wilderness,

They said to Joshua, "It was carefully reported to your subjects how the Lord your God commanded Moses his servant to assign you the whole land and to destroy all who live in the land from before you. Because of you we were terrified we would lose our lives, so we did this thing.