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Definition of "clean" []

  • Free from dirt, stain, or impurities; unsoiled. (adjective)
  • Free from foreign matter or pollution; unadulterated: clean air; clean drinking water. (adjective)
  • Not infected: a clean wound. (adjective)
  • Producing relatively little pollution: a clean fuel; a cleaner, more efficient engine. (adjective)
  • Producing relatively little radioactive fallout or contamination: a clean nuclear bomb. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "clean" in a sentence
  • "Raise taxes, modify NAFTA, and invest in clean renewable energy '; yahooBuzzArticleSummary =' Here are two main points I am making you may want to read before or instead of reading the rest of this message: (1) raise taxes on the very wealthy, and (2) rebuild the US manufacturing sector via a \'clean, renewable energy economy. '"
  • "Bring a sponge "-- he corrected himself --" a clean rag will do -- only it must be _clean_ "-- this to Mrs. Volsky," you"
  • "He hath bidden me bring thee to him, clean, _clean_. ""