vow

vow verb [ T ] uk/vaʊ/ us
to make a serious promise or decision

давать обет, клясться
[ + (that) ] She vow ed that she would never leave the children again. [ + to do sth ] I've vow ed never to go there again.

VOW noun

[ C ] uk/vaʊ/ us
a serious promise or decision

обет, клятва
marriage vow s I made a vow that I would write to him