'Loose' in the Bible

Then Moses said to Aaron and his sons Eleazar and Ithamar, “Do not let your hair hang loose and do not tear your garments, or else you will die, and the Lord will become angry with the whole community. However, your brothers, the whole house of Israel, may mourn over that tragedy when the Lord sent the fire.

“The person afflicted with an infectious skin disease is to have his clothes torn and his hair hanging loose, and he must cover his mouth and cry out, ‘Unclean, unclean!’