smooth is on the Basic English 850 List. smoke - smooth - snake Pronunciation IPA (key): /smuːð/ Audio (US)(file) Audio (UK)(file) Adjective Positive smooth Comparative smoother Superlative smoothest Smooth feels pleasant and flat when you touch it; not rough. Synonyms: flat and level He felt the smooth skin on her cheek. A smooth liquid would have no lumps in it. He mixed the flour and water until it was smooth. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads