swear verb Stress: first syllable 🤍 Save Syllables: swear (1) English Definition Make a solemn statement or promise; use offensive language. Example Sentence I swear that I am telling the truth. US IPA /swer/ 🔊 Listen US UK IPA /sweə(r)/ 🔊 Listen UK Synonyms vow promise pledge curse Antonyms deny break promise Share this Word Facebook WhatsApp X Telegram Copy Link