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1. A preparation used in cleaning something
   - cleansing agent, cleanser
    
2. The operator of dry-cleaning establishment
   - dry cleaner
    
3. Someone whose occupation is cleaning

1. Free from dirt or impurities; or having clean habits
   "children with clean shining faces"; "clean white shirts"; "clean dishes"; "a spotlessly clean house"; "cats are clean animals"
    
2. Free from restrictions or qualifications
   "a clean bill of health";
   - clear
    
3. (of sound or colour) free from anything that dulls or dims
   "efforts to obtain a clean bass in orchestral recordings";
   - clear, light, unclouded
    
4. Free from impurities
   "clean water";
   - fresh
    
5. (of a record) having no marks of discredit or offence
   "a clean voting record"; "a clean driver's licence"
    
6. Free from sepsis or infection
   "a clean wound";
   - uninfected
    
7. Morally pure
   "led a clean life";
   - clean-living
    
8. (of a manuscript) having few alterations or corrections
   "a clean manuscript";
   - fair
    
9. (of a surface) not written or printed on
   "a clean page";
   - blank, white
    
10. Exhibiting or calling for sportsmanship or fair play
    "a clean fight";
    - sporting, sporty, sportsmanlike
     
11. Without difficulties or problems
    "a clean test flight"
     
12. Thorough and without qualification
    "a clean getaway"; "a clean sweep"; "a clean break"
     
13. [informal] Not carrying concealed weapons
     
14. Free from clumsiness; precisely or deftly executed
    "he landed a clean left on his opponent's cheek"; "a clean throw";
    - neat
     
15. [informal] Free of drugs
    "after a long dependency on heroin she has been clean for 4 years"
     
16. (religion) ritually clean or pure
     
17. Not spreading pollution or contamination; especially radioactive contamination
    "a clean fuel"; "cleaner and more efficient engines"; "the tactical bomb is reasonably clean";
    - uncontaminating
     
18. (of behaviour or especially language) free from objectionable elements; fit for all observers
    "a clean joke"; "good clean fun";
    - unobjectionable

Derived forms: cleaners

See also: adroit, antiseptic, cleanable, cleanly [archaic], cleanness, complete, decent, dry-cleaned, easy, empty, fair, fresh, halal, immaculate, intemerate [rare], just, kosher, legible, moral, perfect, pristine, pure, scrubbed, speckless, spic, spic-and-span, spick, spick-and-span, spotless, tidy, unaddicted, unarmed, unqualified, unsoiled, unspotted, unstained, unsullied, unused, washed, water-washed

Type of: formulation, jack, laborer [US], labourer [Brit, Cdn], manual laborer [US], manual labourer [Brit, Cdn], market keeper, preparation, shopkeeper, storekeeper [N. Amer], tradesman

Antonym: dirty, impure

Encyclopedia: Cleaner, Lubricant, Preservative