highly adverb Stress: first syllable 🤍 Save Syllables: high-ly (2) English Definition To a high degree; extremely. Example Sentence He is a highly skilled engineer. US IPA /ˈhaɪli/ 🔊 Listen US UK IPA /ˈhaɪli/ 🔊 Listen UK Synonyms extremely very greatly immensely exceedingly Antonyms slightly barely Share this Word Facebook WhatsApp X Telegram Copy Link