What is another word for solemn vow?
Pronunciation: [sˈɒləm vˈa͡ʊ] (IPA) 
A solemn vow is a promise or commitment made with the utmost gravity and sincerity. Synonyms for this phrase include a solemn pledge, an earnest oath, a serious vow, and a sacred promise. Other words that could be used to express a similar sentiment might include a solemn covenant, a weighty commitment, or a pious undertaking. Whatever the wording used, the sense of solemnity and gravity of the promise made is key, reflecting the gravity of the commitment involved and the importance of following through on one's word. Whether it is a religious or secular vow, one must recognize the significance of the undertaking and approach it with the necessary respect and dedication.
