vow

Universal Words noun, verb noun a formal and serious promise, especially a religious one, to do sth: to make / take a vow * to break / keep a vow * to break your marriage vows * Nuns take a vow of chastity. verb to make a formal and serious promise to do sth or a formal statement that is true: [Vtoinf] She vowed never to speak to him again. * [V(that)] He vowed (that) he had not hurt her. * [VN] They vowed eternal friendship. [also Vspeech]