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

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; …

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

Jan 14, 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.

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

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