Clean
Clean adjective - Free from dirt or stain.
Smooth is a synonym for clean in characteristic topic. In some cases you can use "Smooth" instead the word "Clean" as an adjective or a verb, when it comes to topics like neat, unblemished, streamlined.
Smooth
Smooth adjective - Having or showing very polished and worldly manners.
Clean is a synonym for smooth in unblemished topic. Sometimes you can use "Clean" instead the word "Smooth" as a verb or an adjective.
Both words in one sentence
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Her clean and smooth hair gets gradually dirtier and wavy◊ as she gets more into jungle and dinosaur action.
Source: Sci-Fi Bob Haircut -
In the opening battle, his kill count via swordplay isn't as high as the rest of the knights, but his execution doesn't leave him a bloody mess, out of breathe, and his slashes and stabs are clean and smooth.
Source: Film / King Arthur -
Girls With Mustaches: Instead of a smooth, clean-shaven face, she has groomed and styled facial hair like that which you'd find on a man.
Source: Women Are Delicate
Cite this Source
Smooth and Clean. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/clean/smooth
Clean & Smooth. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/clean/smooth>.
Smooth or Clean. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/clean/smooth.
Google Ngram Viewer shows how "clean" and "smooth" have occurred on timeline