plains noun verb Stress: first syllable 🤍 Save Syllables: plains (1) English Definition Large areas of flat land with few trees. Example Sentence Wild horses ran across the vast plains. US IPA /pleɪnz/ 🔊 Listen US UK IPA /pleɪnz/ 🔊 Listen UK Synonyms grasslands prairies savannas flatlands Antonyms mountains hills highlands Share this Word Facebook WhatsApp X Telegram Copy Link