vow noun verb Stress: first syllable 🤍 Save Syllables: vow (1) English Definition A solemn promise. Example Sentence They took a vow to love each other. US IPA /vaʊ/ 🔊 Listen US UK IPA /vaʊ/ 🔊 Listen UK Synonyms promise pledge oath guarantee word of honor Antonyms betrayal breach denial Share this Word Facebook WhatsApp X Telegram Copy Link