dirty

Adjective

• unpleasantly stormy
  • there's dirty weather in the offing
    

• unethical or dishonest
  • dirty police officers
    
  • a sordid political campaign
    

• violating accepted standards or rules
  • a dirty fighter
    
  • used foul means to gain power
    
  • a nasty unsporting serve
    
  • fined for unsportsmanlike behavior
    

• expressing or revealing hostility or dislike
  • dirty looks
    

• obtained illegally or by improper means
  • dirty money
    
  • ill-gotten gains
    

• (of a manuscript) defaced with changes
  • foul (or dirty) copy
    

• (of color) discolored by impurities; not bright and clear
  • dirty is often used in combination
    
  • a dirty (or dingy) white
    
  • the muddied grey of the sea
    
  • muddy colors
    
  • dirty-green walls
    
  • dirty-blonde hair
    

• contaminated with infecting organisms
  • dirty wounds
    
  • obliged to go into infected rooms- Jane Austen
    

• spreading pollution or contamination; especially radioactive contamination
  • the air near the foundry was always dirty
    
  • a dirty bomb releases enormous amounts of long-lived radioactive fallout
    

• vile; despicable
  • a dirty (or lousy) trick
    
  • a filthy traitor
    

• (of behavior or especially language) characterized by obscenity or indecency
  • dirty words
    
  • a dirty old man
    
  • dirty books and movies
    
  • boys telling dirty jokes
    
  • has a dirty mouth
    

• soiled or likely to soil with dirt or grime
  • dirty unswept sidewalks
    
  • a child in dirty overalls
    
  • dirty slums
    
  • piles of dirty dishes
    
  • put his dirty feet on the clean sheet
    
  • wore an unclean shirt
    
  • mining is a dirty job
    
  • Cinderella did the dirty work while her sisters preened themselves
    

Verb

• make soiled, filthy, or dirty
  • don't soil your clothes when you play outside!
    

Related words

• Synonyms: 
  sordid , cheating(a) , foul , unsporting , unsportsmanlike , ill-gotten , marked-up , dingy , muddied , muddy , pestiferous , contaminating , filthy , lousy , soiled , unclean , soil , begrime , grime , colly , bemire
• Antonyms: 
  clean , uncontaminating , unobjectionable , make clean