realm noun Stress: first syllable 🤍 Save Syllables: realm (1) English Definition A kingdom or a field of activity or interest Example Sentence This discovery lies in the realm of science fiction. US IPA /relm/ 🔊 Listen US UK IPA /relm/ 🔊 Listen UK Synonyms kingdom domain sphere realm territory Antonyms vacuum void Share this Word Facebook WhatsApp X Telegram Copy Link