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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.

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; …

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.

Definition of clean adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Apr 5, 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.

Clean refers esp. to freedom from soiling: a clean shirt.Clear refers particularly to freedom from flaw or blemish: a clear pane of glass. Pure refers esp. to freedom from mixture or stain: a pure metal; not …

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The meaning of clean usually refers to removing something unwanted: you clean your hands by washing them, then you can clean some grapes. This word has many meanings related to being pure or empty.