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1. [Adjective]: spreading pollution or contamination; especially radioactive contamination; "the air near the foundry was always dirty"; "the air near the foundry was always dirty"; "a dirty bomb releases enormous amounts of long-lived radioactive fallout"
2. [Adjective]: (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"
3. [Adjective]: 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 dir
4. violating accepted standards or rules; "a dirty fighter"; "used foul means to gain power"; "a nasty unsporting serve"; "fined for unsportsmanlike behavior"
5. obtained illegally or by improper means; "dirty money"; "ill-gotten gains"
6. vile; despicable; "a dirty (or lousy) trick"; "a filthy traitor"
7. contaminated with infecting organisms; "dirty wounds"; "obliged to go into infected rooms"- Jane Austen
8. unpleasantly stormy; "there''s dirty weather in the offing"
9. unethical or dishonest; "dirty police officers"; "a sordid political campaign"
10. expressing or revealing hostility or dislike; "dirty looks"
11. (of a manuscript) defaced with changes; "foul (or dirty) copy"
12. (of color) discolored by impurities; not bright and clear; "dirty" is often used in combination; "a dirty (or dingy) white"; "the muddied gray of the sea"; "muddy colors"; "dirty-green walls"; "dirty-blonde hair"
13. [Verb]: make soiled, filthy, or dirty; "don''t soil your clothes when you play outside!"
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