'Vow to the Lord' in the Bible

"When a man makes a vow to the LORD, or swears an oath an obligation that is binding to himself he is not to break his word. Instead, he is to fulfill whatever promise came out of his mouth.'"

"When a young woman makes a vow to the LORD or pledges herself to an obligation while she still lives in her father's house,

"When you make a vow to the LORD your God, don't delay paying it, because the LORD your God will certainly demand payment from you, and then you will be guilty of sin.

Jephthah made this solemn vow to the LORD: "If you truly give the Ammonites into my control,

They also made a vow to the LORD with loud voices, shouting, trumpets, and horns.