bye noun Stress: first syllable 🤍 Save Syllables: bye (1) English Definition An informal way of saying goodbye. Example Sentence She waved and said bye. US IPA /baɪ/ 🔊 Listen US UK IPA /baɪ/ 🔊 Listen UK Synonyms goodbye farewell adieu Antonyms hello welcome greetings Share this Word Facebook WhatsApp X Telegram Copy Link