heartbeat noun Stress: first syllable 🤍 Save Syllables: heart-beat (2) English Definition The pulsation of the heart. Example Sentence Her heartbeat was getting faster. US IPA /ˈhɑːrtbiːt/ 🔊 Listen US UK IPA /ˈhɑːtbiːt/ 🔊 Listen UK Synonyms pulse pulsation throb flutter Antonyms stillness death Share this Word Facebook WhatsApp X Telegram Copy Link