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  1. Download CCleaner | Clean, optimize & tune up your PC, free!

    Download CCleaner for FREE. Clean your PC of temporary files, tracking cookies, browser junk and more! Get the latest version today.

  2. CLEAN Definition & Meaning - Merriam-Webster

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

  3. Commonwealth Law Enforcement Assistance Network (CLEAN)

    Through CLEAN, criminal justice agencies in Pennsylvania can message partner agencies and access information from Commonwealth sources, plus networked national, Federal, and …

  4. CLEAN | English meaning - Cambridge Dictionary

    CLEAN definition: 1. free from any dirty marks, pollution, bacteria, etc.: 2. honest or fair, or showing that you…. Learn more.

  5. CLEAN definition and meaning | Collins English Dictionary

    Something that is clean is free from dirt or unwanted marks. He wore his cleanest slacks, a clean shirt and a navy blazer. Disease has not been a problem because clean water is available. …

  6. clean - WordReference.com Dictionary of English

    clean is a verb and an adjective, cleanliness is a noun: We cleaned the house. Take a clean plate. Cleanliness is essential in a hospital. clean (klēn), adj., -er, -est, adv., -er, -est, v. unstained: …

  7. What does clean mean? - Definitions.net

    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.

  8. clean - Wiktionary, the free dictionary

    Jun 22, 2025 · Free of contamination, (unwanted) germs, infection, or disease. Insert a clean swab into your nose.

  9. Clean Definition & Meaning | YourDictionary

    Clean definition: Free from dirt, stain, or impurities; unsoiled.

  10. clean, cleaning, cleaned, cleanest, cleaner, cleans- WordWeb …

    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 "