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

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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 …

Oct 31, 2025 · clean (comparative cleaner, superlative cleanest) Free of dirt, filth, or impurities (extraneous matter); not dirty, filthy, or soiled. quotations

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.

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.

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