Added 9 October 2026 betrothal /bɪˈtɹəʊ.ðəl/ noun Categories: LanguageActionsRare Words In Latin: sponsālia Wiktionary noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about betrothal at Wordnik → Where our words come from → A mutual promise to marry. The act of becoming betrothed or engaged. Related Words: espousaltrothengagementweddingsermoncommitmentelliedesponsationcontractionmatrimonymarriageproposal Back to today's word