smooth adjective - Definition, pictures, pronunciation and usage …
https://www.oxfordlearnersdictionaries.com/us/definition/american_english/smooth_1
adjective. /smuð/. (smoother, smoothest) flat/even. completely flat and even, without any lumps, holes, or rough areas a lotion to make your skin feel soft and smooth The water was as smooth as glass. a paint that gives a smooth, silky finish Over the years, the stone steps had worn smooth. opposite rough.
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