acting or moving or capable of acting or moving quickly; "fast film"; "on the fast track in school"; "set a fast pace"; "a fast car"
at a rapid tempo; "the band played a fast fox trot"
(used of timepieces) indicating a time ahead of or later than the correct time; "my watch is fast"
securely fixed in place; "the post was still firm after being hit by the car"
resistant to destruction or fading; "fast colors"
(of surfaces) conducive to rapid speeds; "a fast road"; "grass courts are faster than clay"
quickly or rapidly (often used as a combining form); "how fast can he get here?"; "ran as fast as he could"; "needs medical help fast"; "fast-running rivers"; "fast-breaking news"; "fast-opening (or fast-closing) shutters"
firmly or tightly; "held fast to the rope"; "her foot was stuck fast"; "held tight"
abstain from eating; "Before the medical exam, you must fast"
abstain from certain foods, as for religious or medical reasons; "Catholics sometimes fast during Lent"
free of drugs; "after a long dependency on heroin she has been clean for 4 years"
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"
not carrying concealed weapons
(of a record) having no marks of discredit or offense; "a clean voting record"; "a clean driver's license"
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"
(of behavior or especially language) free from objectionable elements; fit for all observers; "good clean fun"; "a clean joke"
not spreading pollution or contamination; especially radioactive contamination; "a clean fuel"; "cleaner and more efficient engines"; "the tactical bomb is reasonably clean"
ritually clean or pure
thorough and without qualification; "a clean getaway"; "a clean sweep"; "a clean break"
exhibiting or calling for sportsmanship or fair play; "a clean fight"; "a sporting solution of the disagreement"; "sportsmanlike conduct"
(of a manuscript) having few alterations or corrections; "fair copy"; "a clean manuscript"
morally pure; "led a clean life"
without difficulties or problems; "a clean test flight"
free from impurities; "clean water"; "fresh air"
(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"
free of restrictions or qualifications; "a clean bill of health"; "a clear winner"
completely; used as intensifiers; "clean forgot the appointment"; "I'm plumb (or plum) tuckered out"
remove unwanted substances from, such as feathers or pits; "Clean the turkey"
remove shells or husks from; "clean grain before milling it"
remove while making clean; "Clean the spots off the rug"
make clean by removing dirt, filth, or unwanted substances from; "Clean the stove!"; "The dentist cleaned my teeth"
remove all contents or possession from, or empty completely; "The boys cleaned the sandwich platters"; "The trees were cleaned of apples by the storm"
deprive wholly of money in a gambling game, robbery, etc.; "The other players cleaned him completely"
being complete of its kind and without defect or blemish; "a perfect circle"; "a perfect reproduction"; "perfect happiness"; "perfect manners"; "a perfect specimen"; "a perfect day"
make perfect or complete; "perfect your French in Paris!"