Definition of vow

Definition of vow
  1. vow Noun A solemn promise to perform some act, or behave in a specified manner, especially a promise to live and act in accordance with the rules of a religious order.
  2. vow Noun A declaration or assertion.
  3. vow Verb To make a vow.
  4. vow Verb To declare publicly that one made a vow, usually to show one's determination or to announce an act of retaliation.
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