"More vowed" means to make a more heartfelt and sincere promise or commitment. Some possible synonyms for this term could include "swore more passionately," "pledged more earnestly," "vowed with greater conviction," "committed more fervently," or simply "promised more strongly." Regardless of which synonym is used, the key concept is that the person making the vow is expressing a deeper level of dedication and determination. Whether they are committed to a personal goal, a relationship, or a higher purpose, the intensity of their vow reflects the importance of what they are promising to achieve or uphold.