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; …

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

5 days ago · IR-2026-20, Feb. 3, 2026 — The Department of the Treasury and the Internal Revenue Service today issued proposed regulations for domestic producers of clean transportation fuel to …

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

6 days ago · 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.

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.

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.

Recent Examples of Synonyms for clean. The toilets are scrubbed, the dishes are washed and the floors are spotless. Similar to wood floors, wood cabinets require special maintenance to keep them clean …

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