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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.

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.

Synonyms for CLEAN: spotless, immaculate, pristine, stainless, spick-and-span, squeaky-clean, shiny, unsullied; Antonyms of CLEAN: dirty, unclean, filthy, stained, soiled, foul, uncleaned, …

clean adjective (NO CRIME) showing that you have not done anything illegal: a clean driving licence

These are words and phrases related to clean. Click on any word or phrase to go to its thesaurus page. Or, go to the definition of clean.

We thoroughly clean surfaces, wipe down doors, polish baseboards, remove cobwebs from ceilings, and handle many other tasks that need to be done on a regular basis.

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