dirty

Meanings

1. 1
   adj

   unpleasantly stormy

   there's dirty weather in the offing

2. 2
   adj

   soiled or likely to soil with dirt or grime

   dirty unswept sidewalks

3. 3
   adj

   (of behavior or especially language) characterized by obscenity or indecency

   dirty words

4. 4
   adj

   unethical or dishonest

   dirty police officers

5. 5
   adj

   violating accepted standards or rules

   a dirty fighter

6. 6
   adj

   expressing or revealing hostility or dislike

   dirty looks

7. 7
   adj

   obtained illegally or by improper means

   dirty money

8. 8
   adj

   a manuscript defaced with changes

   The first draft came back dirty.

Etymology

From Middle English dirti, alteration of earlier dritti, equivalent to dirt + -y. Cognate with Middle Low German drēterich (“dirty”). See also drite.