dirty (Verb) — Make soiled, filthy, or dirty. ex. "don't dirty your clothes when you play outside!"
dirty (Adjective) — Not clean, or likely to soil with dirt or grime. ex. "dirty unswept pavements" ex. "a child in dirty overalls" ex. "dirty slums" ex. "piles of dirty dishes" ex. "put his dirty feet on the clean sheet" ex. "mining is a dirty job" ex. "Cinderella did the dirty work while her sisters preened themselves"
dirty (Adjective) — (of behaviour or especially language) characterized by obscenity or indecency. ex. "dirty words" ex. "a dirty old man" ex. "dirty books and movies" ex. "boys telling dirty jokes" ex. "has a dirty mouth"
dirty (Adjective) — Vile; despicable. ex. "a dirty trick"
dirty (Adjective) — Spreading pollution or contamination; especially radioactive contamination. ex. "the air near the foundry was always dirty" ex. "a dirty bomb releases enormous amounts of long-lived radioactive fallout"
dirty (Adjective) — Contaminated with infecting organisms. ex. "dirty wounds"
dirty (Adjective) — (of colour) discoloured by impurities; not bright and clear. ex. "dirty" ex. "a dirty white" ex. "dirty-green walls" ex. "dirty-blonde hair"
dirty (Adjective) — (of a manuscript) defaced with changes. ex. "dirty copy"
dirty (Adjective) — Obtained illegally or by improper means. ex. "dirty money"
dirty (Adjective) — Expressing or revealing hostility or dislike. ex. "dirty looks"
dirty (Adjective) — Violating accepted standards or rules. ex. "a dirty fighter"
dirty (Adjective) — Unethical or dishonest. ex. "dirty police officers"
dirty (Adjective) — Unpleasantly stormy. ex. "there's dirty weather in the offing"
dirty (Adverb) — In an unfair manner.
dirty (Adverb) — Used as an intensifier.