to make a solemn promise or declaration; to vow or pledge

a solemn promise or vow

to take an official oath, such as for a public office or in a legal context

to make a solemn promise or take an oath

the words or text of a formal oath or pledge

to make a solemn vow

to pledge one's life; to swear to do something even at the cost of one's life

a solemn promise or formal agreement between parties or individuals

to swear the oath of office

to pledge undying love or make a formal oath of eternal devotion

to pledge undying love; an oath of eternal love

to vow before one's troops

oath of alliance

to vow; to swear an oath

to be mutually exclusive or completely incompatible; to vow that two parties cannot coexist

to vow to die rather than obey

to take an oath; to pledge

sworn testimony

to pledge undying love; to make a solemn oath of eternal love, often by invoking the stability of mountains and the vastness of seas

to swear never to go back on one's word

to vow to fight to the death

to solemnly swear to renounce or quit a habit, belief, or practice

(law) affidavit; deposition