Synonyms of vow in English:


See definition of vow


1‘the monks had taken a vow of silence’


oath, pledge, promise, bond, covenant, commitment, avowal, profession, sworn statement, affirmation, attestation, assurance, word, word of honour, guarantee

archaic troth

rare asseveration, averment


1‘I vowed to do better’


swear, state under oath, swear under oath, swear on the Bible, take an oath, pledge, promise, affirm, avow, undertake, give an undertaking, engage, commit, commit oneself, make a commitment, give one's word, give one's word of honour, give an assurance, guarantee

depose, make a deposition, bind oneself

archaic plight, asseverate