a solemn promise, pledge, or personal commitment

marriage vows; a vow of secrecy.

a solemn promise made to a deity or saint committing oneself to an act, service, or condition.

a solemn or earnest declaration.

to make a vow of; promise by a vow, as to God or a saint

to vow a crusade or a pilgrimage.

to pledge or resolve solemnly to do, make, give, observe, etc.

They vowed revenge.

to declare solemnly or earnestly; assert emphatically (often fol. by a clause as object)

She vowed that she would take the matter to court.

to dedicate or devote by a vow

to vow oneself to the service of God.

to make a vow.

to make a solemn or earnest declaration. ?

take vows

to enter a religious order or house.

noun

breach , break

verb

disavow

noun

affiance , assertion , asseveration , oath , pledge , profession , troth , word of honor , assurance , covenant , engagement , guarantee , guaranty , plight , solemn word , warrant , word

verb

affirm , assure , consecrate , covenant , cross one’s heart , declare , dedicate , devote , give word of honor , pledge , plight , promise , swear , swear up and down , testify , undertake solemnly , vouch , warrant , oath , prayer , wish , word