eldest noun adjective Stress: first syllable 🤍 Save Syllables: eld-est (2) English Definition First-born or oldest of a group. Example Sentence He is the eldest son in the family. US IPA /ˈeldɪst/ 🔊 Listen US UK IPA /ˈeldɪst/ 🔊 Listen UK Synonyms oldest firstborn senior Antonyms youngest Share this Word Facebook WhatsApp X Telegram Copy Link