資料來源 : Webster's Revised Unabridged Dictionary (1913)

Dirty \Dirt"y\, a. [Compar. {Dirtier}; superl. {Dirtiest}.]
   1. Defiled with dirt; foul; nasty; filthy; not clean or pure;
      serving to defile; as, dirty hands; dirty water; a dirty
      white. --Spenser.

   2. Sullied; clouded; -- applied to color. --Locke.

   3. Sordid; base; groveling; as, a dirty fellow.

            The creature's at his dirty work again. --Pope.

   4. Sleety; gusty; stormy; as, dirty weather.

            Storms of wind, clouds of dust, an angry, dirty sea.
                                                  --M. Arnold.

   Syn: Nasty; filthy; foul. See {Nasty}.

資料來源 : WordNet®

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

dirty
     v : make soiled, filthy, or dirty; "don't soil your clothes when
         you play outside!" [syn: {soil}, {begrime}, {grime}, {colly},
          {bemire}] [ant: {clean}]
     [also: {dirtied}, {dirtiest}, {dirtier}]

dirtier
     See {dirty}