dirty in WordNet English dictionary

1. make soiled, filthy, or dirty
   "don't soil your clothes when you play outside!"
   dirty  soil  begrime  grime  colly  bemire 
   

1. violating accepted standards or rules
   "a dirty fighter"; "used foul means to gain power"; "a nasty unsporting serve"; "fined for unsportsmanlike behavior"
   cheating  dirty  foul  unsporting  unsportsmanlike 
   
2. 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"
   dirty  contaminating 
   
3. (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"
   dirty  dingy  muddied  muddy 
   
4. 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"
   dirty  soiled  unclean 
   
5. (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"
   dirty 
   
6. unethical or dishonest
   "dirty police officers"; "a sordid political campaign"
   dirty  sordid 
   
7. expressing or revealing hostility or dislike
   "dirty looks"
   dirty 
   
8. obtained illegally or by improper means
   "dirty money"; "ill-gotten gains"
   dirty  ill-gotten 
   
9. (of a manuscript) defaced with changes
   "foul (or dirty) copy"
   dirty  foul  marked-up 
   
10. vile; despicable
    "a dirty (or lousy) trick"; "a filthy traitor"
    dirty  filthy  lousy 
    
11. contaminated with infecting organisms
    "dirty wounds"; "obliged to go into infected rooms"- Jane Austen
    dirty  pestiferous 
    
12. unpleasantly stormy
    "there's dirty weather in the offing"
    dirty