'Pledged' in the Bible

Lot went out, and spoke to his sons-in-law, who were pledged to marry his daughters, and said, "Get up! Get out of this place, for Yahweh will destroy the city." But he seemed to his sons-in-law to be joking.

"If a man entices a virgin who isn't pledged to be married, and lies with her, he shall surely pay a dowry for her to be his wife.

"'If a man lies carnally with a woman who is a slave girl, pledged to be married to another man, and not ransomed, or given her freedom; they shall be punished. They shall not be put to death, because she was not free.

What man is there who has pledged to be married a wife, and has not taken her? Let him go and return to his house, lest he die in the battle, and another man take her."

If there is a young lady who is a virgin pledged to be married to a husband, and a man find her in the city, and lie with her;

But if the man find the lady who is pledged to be married in the field, and the man force her, and lie with her; then the man only who lay with her shall die:

for he found her in the field, the pledged to be married lady cried, and there was none to save her.

If a man find a lady who is a virgin, who is not pledged to be married, and lay hold on her, and lie with her, and they be found;

David sent messengers to Ishbosheth, Saul's son, saying, "Deliver me my wife Michal, whom I pledged to be married to me for one hundred foreskins of the Philistines."

to a virgin pledged to be married to a man whose name was Joseph, of the house of David. The virgin's name was Mary.

to enroll himself with Mary, who was pledged to be married to him as wife, being pregnant.