onion noun Stress: first syllable 🤍 Save Syllables: on-ion (2) English Definition A round vegetable with a light brown skin and many layers, having a strong taste and smell. Example Sentence Cutting onions always makes my eyes water. US IPA /ˈʌnjən/ 🔊 Listen US UK IPA /ˈʌnjən/ 🔊 Listen UK Synonyms bulb scallion shallot Share this Word Facebook WhatsApp X Telegram Copy Link