billions noun Stress: first syllable 🤍 Save Syllables: bil-lions (2) English Definition Large numbers equivalent to thousands of millions. Example Sentence There are billions of stars in the universe. US IPA /ˈbɪljənz/ 🔊 Listen US UK IPA /ˈbɪljənz/ 🔊 Listen UK Synonyms multitudes millions countless Antonyms handful few zero Share this Word Facebook WhatsApp X Telegram Copy Link