1. noun
a) 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.
The old hermit, up in the mountains, took a vow of silence.
2. verb
a) To make a vow.
The rebels vowed to continue their fight until they succeed.
b) To declare publicly that one made a vow, usually to show ones determination or to announce an act of retaliation.
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