smutty

UK: /ˈsmʌti/ US: (smut′ē)

Inflections of 'smutty' (adj):

smuttier

adj comparative

smuttiest

adj superlative

WordReference Random House Unabridged Dictionary of American English © 2025

smut•ty  (smut′ē), adj., -ti•er, -ti•est. 

1. soiled with smut;
   grimy.
2. indecent or obscene, as talk or writing:
   a smutty novel.
3. given to indecent or obscene talk, writing, etc., as a person.
4. Plant Diseases (of plants) affected with smut.

• smut + -y¹ 1590–1600

smut′ti•ly, adv. 
smut′ti•ness, n. 

WordReference Random House Learner's Dictionary of American English © 2025

smut /smʌt/   n. 

1. [uncountable] sooty matter.
2. [countable] a black or dirty mark;
   smudge.
3. [uncountable] indecent language or writing;
   obscenity.
4. [uncountable]
   • Plant Diseases a disease of plants caused by fungi.
   • Plant Diseases a fungus causing this disease.

smut•ti•ness, n. [uncountable]
smut•ty, adj., -ti•er, -ti•est. 

WordReference Random House Unabridged Dictionary of American English © 2025

smut  (smut), n., v., smut•ted, smut•ting. 
n. 

1. a particle of soot;
   sooty matter.
2. a black or dirty mark;
   smudge.
3. indecent language or publications;
   obscenity.
4. [Plant Pathol.]
   • Plant Diseases a disease of plants, esp. cereal grasses, characterized by the conversion of affected parts into black, powdery masses of spores, caused by fungi of the order Ustilaginales.
   • Plant Diseases a fungus causing this disease.

v.t. 

5. to soil or smudge.

v.i. 

6. Plant Diseases to become affected with smut, as a plant.

• akin to earlier smit (Old English smitte), by association with smudge, smutch 1580–90