swift noun adjective Stress: first syllable 🤍 Save Syllables: swift (1) English Definition Moving or capable of moving with great speed. Example Sentence She received a swift reply to her letter. US IPA /swɪft/ 🔊 Listen US UK IPA /swɪft/ 🔊 Listen UK Synonyms rapid quick fast speedy prompt Antonyms slow sluggish Share this Word Facebook WhatsApp X Telegram Copy Link