Dictionary definition · smut
noun
- a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink
- destructive diseases of plants (especially cereal grasses) caused by fungi that produce black powdery masses of spores
- any fungus of the order Ustilaginales
- an offensive or indecent word or phrase
- creative activity (writing or pictures or films etc.) of no literary or artistic value other than to stimulate sexual desire
verb
- make obscene"This line in the play smuts the entire act"
- stain with a dirty substance, such as soot
- become affected with smut"the corn smutted and could not be eaten"
- affect with smut or mildew, as of a crop such as corn
Source: Open English WordNet (CC BY 4.0).