'Remarry' in the Bible

her first husband who married her and divorced her earlier must not remarry her, because she was defiled, since this is detestable to the LORD. Don't defile the land that the LORD your God is about to give you as a possession.

If brothers live together and one of them dies without having a son, the dead man's wife must not remarry someone outside the family. Instead, her late husband's brother must go to her, marry her, and perform the duty of a brother-in-law.

So go on back, my daughters! Be on your way! I'm too old to remarry. If I were to say that I'm hoping for a husband tonight and then also bore sons this very night,