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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.

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

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.

Clean typically refers to something that is free from dirt, stains, impurities, or any form of contamination. It suggests a state of hygiene, orderliness, and neatness.

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.

Jun 3, 2025 · Cleaning and disinfecting are effective ways to prevent the spread of illnesses and disease. In most situations, cleaning alone with soap and water can remove germs. …

Free from dirt or impurities; or having clean habits "clean dishes "; "a spotlessly clean house "; " cats are clean animals "; " children with clean shining faces "; "clean white shirts "