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)
• Without dirt or other impurities; unsoiled (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.

• Without anything in it or on it (adjective)
• Recently washed; fresh (adjective)
• Without extraneous or foreign materials (adjective)
• Without defect, difficulties, or problems (adjective)
• (of a nuclear weapon) producing little or no radioactive fallout or contamination (adjective)
• Uncontaminated (adjective)
• (of a wound, etc) having no pus or other sign of infection (adjective)
• Pure; morally sound (adjective)
• Without objectionable language or obscenity (adjective)
• (of printer's proofs, etc) relatively free from errors; easily readable (adjective)
• Thorough or complete (adjective)
• Dexterous or adroit (adjective)
• Played fairly and without fouls (adjective)
• Simple in design (adjective)
• Causing little turbulence; streamlined (adjective)
• (of an aircraft) having no projections, such as rockets, flaps, etc, into the airstream (adjective)
• Honourable or respectable (adjective)
• Habitually neat (adjective)
• (esp of a driving licence) showing or having no record of offences (adjective)
• Innocent; not guilty (adjective)
• Not carrying illegal drugs, weapons, etc (adjective)
• Having its bottom clean (adjective)
• Having a satisfactory bill of health (adjective)
• (of persons) free from ceremonial defilement (adjective)
• (of animals, birds, and fish) lawful to eat (adjective)
• Morally and spiritually pure (adjective)
• To make or become free of dirt, filth, etc (verb)
• To remove in making clean (verb)
• To prepare (fish, poultry, etc) for cooking (verb)
• In a clean way; cleanly (adverb)
• (intensifier) (adverb)
• The act or an instance of cleaning (noun)

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• "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_. ""