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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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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.

CLEAN meaning: 1 : free from dirt, marks, etc. not dirty; 2 : tending to keep clean

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He keeps his car spotlessly clean. Her room was clean and tidy. I'll get you a clean glass. The rooms are nice and clean. I don't have any clean clothes.

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