smut

1. a. A particle of dirt.
   b. A smudge made by soot, smoke, or dirt.
2. a. Obscenity in speech or writing.
   b. Pornography.
3. a. Any of various plant diseases, especially of cereal grasses, caused by parasitic fungi of the order Ustilaginales that form black powdery masses of spores on the affected parts.
   b. A fungus causing such a disease.

1. To blacken or smudge, as with smoke or grime.
2. To affect (a plant) with smut.
3. To free (grain, for example) from smut.
4. To make obscene.

1. To emit smut.
2. To be or become blackened or smudged.
3. To become affected with smut, as a plant.

Origin:

Origin: From Middle English smotten, smutten, to defile

Related Forms:

• smutˈti·ly adverb

• smutˈti·ness noun

• smutˈty adjective