The meaning of CLEAN is free from dirt or pollution. How to use clean in a sentence.

Make sure your hands are clean before you have your dinner. Hospitals need to be kept spotlessly (= extremely) clean.

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Define clean. clean synonyms, clean pronunciation, clean translation, English dictionary definition of clean. adj. clean·er , clean·est 1. Free from dirt, stain, or impurities; unsoiled: a clean kitchen floor; …

Feb 2, 2026 · clean (third-person singular simple present cleans, present participle cleaning, simple past and past participle cleaned) (transitive) To remove dirt from a place or object.

If you clean something or clean dirt off it, you make it free from dirt and unwanted marks, for example by washing or wiping it. If something cleans easily, it is easy to clean.

to empty in order to straighten or clean: [~ + out + object] I had to clean out my desk to find what I was looking for. [~ + object + out] I cleaned it out before dinner.

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CLEAN definition: free from dirt; unsoiled; unstained. See examples of clean used in a sentence.

Clean definition: Free from dirt, stain, or impurities; unsoiled.