flat noun adjective adverb Stress: first syllable 🤍 Save Syllables: flat (1) English Definition Having a level surface; without raised areas or indentations Example Sentence The earth is not flat. US IPA /flæt/ 🔊 Listen US UK IPA /flæt/ 🔊 Listen UK Synonyms level smooth even plane Antonyms bumpy uneven hilly Share this Word Facebook WhatsApp X Telegram Copy Link