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

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

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

Dec 29, 2025 · clean (comparative cleaner, superlative cleanest) Free of dirt, filth, or impurities (extraneous matter); not dirty, filthy, or soiled. quotations

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

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.

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

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