brighten verb Stress: first syllable 🤍 Save Syllables: bright-en (2) English Definition Make or become shiny, luminous, or cheerful. Example Sentence The morning sun helped to brighten the room. US IPA /ˈbraɪtn/ 🔊 Listen US UK IPA /ˈbraɪtn/ 🔊 Listen UK Synonyms illuminate lighten cheer enliven glow Antonyms darken dim sadden Share this Word Facebook WhatsApp X Telegram Copy Link