smut in WordNet English dictionary

1. a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink
   carbon black  lampblack  soot  smut  crock 
   
2. an offensive or indecent word or phrase
   obscenity  smut  vulgarism  filth  dirty word 
   
3. creative activity (writing or pictures or films etc.) of no literary or artistic value other than to stimulate sexual desire
   pornography  porno  porn  erotica  smut 
   
4. any fungus of the order Ustilaginales
   smut  smut fungus 
   
5. destructive diseases of plants (especially cereal grasses) caused by fungi that produce black powdery masses of spores
   smut 
   

1. affect with smut or mildew, as of a crop such as corn
   smut 
   
2. stain with a dirty substance, such as soot
   smut 
   
3. become affected with smut
   "the corn smutted and could not be eaten"
   smut 
   
4. make obscene
   "This line in the play smuts the entire act"
   smut