dirty
verb.
make soiled, filthy, or dirty
don't soil your clothes when you play outside!
adj.
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
Synonym: unclean, soiled
adj.
(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
adj.
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
Synonym: contaminating
adj.
vile; despicable
a dirty (or lousy) trick|a filthy traitor
Synonym: lousy, filthy
adj.
contaminated with infecting organisms
dirty wounds|obliged to go into infected rooms
Synonym: pestiferous
adj.
(of color) discolored by impurities; not bright and clear
dirty|a dirty (or dingy) white|the muddied grey of the sea|muddy colors|dirty-green walls|dirty-blonde hair
Synonym: dingy, muddied, muddy
adj.
(of a manuscript) defaced with changes
foul (or dirty) copy
Synonym: foul, marked-up
adj.
obtained illegally or by improper means
dirty money|ill-gotten gains
Synonym: ill-gotten
adj.
expressing or revealing hostility or dislike
dirty looks
adj.
violating accepted standards or rules
a dirty fighter|used foul means to gain power|a nasty unsporting serve|fined for unsportsmanlike behavior
adj.
unethical or dishonest
dirty police officers|a sordid political campaign|shoddy business practices
Synonym: shoddy, sordid
adj.
unpleasantly stormy
there's dirty weather in the offing
Antonym: clean