lifetime noun Stress: first syllable 🤍 Save Syllables: life-time (2) English Definition The duration of a person's life. Example Sentence He traveled to many countries during his lifetime. US IPA /ˈlaɪftaɪm/ 🔊 Listen US UK IPA /ˈlaɪftaɪm/ 🔊 Listen UK Synonyms lifespan existence career days Antonyms death end Share this Word Facebook WhatsApp X Telegram Copy Link