Definition of

Clean

  1. (noun, act) a weightlift in which the barbell is lifted to shoulder height and then jerked overhead
  2. (verb, contact) make clean by removing dirt, filth, or unwanted substances from
    The dentist cleaned my teeth
  3. (verb, change) remove unwanted substances from, such as feathers or pits
  4. (verb, contact) clean and tidy up the house
  5. (verb, body) clean one's body or parts thereof, as by washing
    clean your fingernails before dinner
  6. (verb, stative) be cleanable
  7. (verb, contact) deprive wholly of money in a gambling game, robbery, etc.
  8. (verb, contact) remove all contents or possession from, or empty completely
    The trees were cleaned of apples by the storm
  9. (verb, contact) remove while making clean
  10. (verb, change) remove unwanted substances from
  11. (verb, change) remove shells or husks from
  12. (adj, all) free from dirt or impurities; or having clean habits
    clean white shirts
    clean dishes
    a spotlessly clean house
    cats are clean animals
  13. (adj, all) free of restrictions or qualifications
    a clear winner
  14. (adj, all) (of sound or color) free from anything that dulls or dims
    clear laughter like a waterfall
    clear reds and blues
    a light lilting voice like a silver bell
  15. (adj, all) free from impurities
    fresh air
  16. (adj, all) (of a record) having no marks of discredit or offense
    a clean driver's license
  17. (adj, all) ritually clean or pure
  18. (adj, all) not spreading pollution or contamination; especially radioactive contamination
    cleaner and more efficient engines
    the tactical bomb is reasonably clean
  19. (adj, all) (of behavior or especially language) free from objectionable elements; fit for all observers
    a clean joke
  20. (adj, all) free from sepsis or infection
  21. (adj, all) morally pure
  22. (adj, all) (of a manuscript) having few alterations or corrections
    a clean manuscript
  23. (adj, all) (of a surface) not written or printed on
    fill in the blank spaces
    a clean page
    wide white margins
  24. (adj, all) exhibiting or calling for sportsmanship or fair play
    a sporting solution of the disagreement
    sportsmanlike conduct
  25. (adj, all) without difficulties or problems
  26. (adj, all) thorough and without qualification
    a clean sweep
    a clean break
  27. (adj, all) not carrying concealed weapons
  28. (adj, all) free from clumsiness; precisely or deftly executed
    a clean throw
    the neat exactness of the surgeon's knife
  29. (adj, all) free of drugs
  30. (adv, all) completely; used as intensifiers
    I'm plumb (or plum) tuckered out
  31. (adv, all) in conformity with the rules or laws and without fraud or cheating

via WordNet, Princeton University

Antonyms of Clean

dirty, unclean

Origin of the word Clean

  1. O.E. cl?ne "clean, pure," from W.Gmc. *klainoz "clear, pure," from PIE base *gel- "to gleam" (cf. Gk. glene "eyeball," O.Ir. gel "bright"). As an adj., replaced in higher senses by clear, pure, but as a verb (c.1450) it has largely usurped what once belonged to cleanse. The adj. clean in the sense of "innocent" is from c.1300; th… more

via Online Etymology Dictionary, ©2001 Douglas Harper

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