Verb
1. make clean by removing dirt, filth, or unwanted substances from;
"Clean the stove!""The dentist cleaned my teeth"2. remove unwanted substances from, such as feathers or pits;
"Clean the turkey"3. clean and tidy up the house;
"She housecleans every week"4. clean one's body or parts thereof, as by washing;
"clean up before you see your grandparents""clean your fingernails before dinner"5. be cleanable;
"This stove cleans easily"6. deprive wholly of money in a gambling game, robbery, etc.;
"The other players cleaned him completely"7. remove all contents or possession from, or empty completely;
"The boys cleaned the sandwich platters""The trees were cleaned of apples by the storm"8. remove while making clean;
"Clean the spots off the rug"9. remove unwanted substances from
10. remove shells or husks from;
"clean grain before milling it"Adjective
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 of restrictions or qualifications;
"a clean bill of health""a clear winner"3. (of sound or color) free from anything that dulls or dims;
"efforts to obtain a clean bass in orchestral recordings""clear laughter like a waterfall""clear reds and blues""a light lilting voice like a silver bell"4. free from impurities;
"clean water""fresh air"5. without difficulties or problems;
"a clean test flight"6. ritually clean or pure
7. not spreading pollution or contamination; especially radioactive contamination;
"a clean fuel""cleaner and more efficient engines""the tactical bomb is reasonably clean"8. (of behavior or especially language) free from objectionable elements; fit for all observers;
"good clean fun""a clean joke"9. free from sepsis or infection;
"a clean (or uninfected) wound"10. morally pure;
"led a clean life"11. (of a manuscript) having few alterations or corrections;
"fair copy""a clean manuscript"12. of a surface; not written or printed on;
"blank pages""fill in the blank spaces""a clean page""wide white margins"13. marked by or calling for sportsmanship or fair play;
"a clean fight""a sporting solution of the disagreement""sportsmanlike conduct"14. thorough and without qualification;
"a clean getaway""a clean sweep""a clean break"15. (of a record) having no marks of discredit or offense;
"a clean voting recor""a clean driver's license"16. not carrying concealed weapons
17. free from clumsiness; precisely or deftly executed;
"he landed a clean left on his opponent's cheek""a clean throw""the neat exactness of the surgeon's knife"18. free of drugs;
"after a long dependency on heroin she has been clean for 4 years"