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.
A declaration or assertion.
To declare publicly that one has made a vow, usually to show one's determination or to announce an act of retaliation.
To make a vow; to promise.
To make a vow regarding (something).
To cheat or swindle someone, often by not paying a debt, especially a gambling debt.
To go back on one's word.