Meanings
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1
noun
sexually explicit or obscene writing, images, or other material, especially when regarded as having little artistic value
The publisher rejected the manuscript as crude smut rather than serious fiction.
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2
noun
soot, dirt, or a black flake or mark produced by it
A smut from the coal smoke settled on his clean collar.
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3
noun
a destructive fungal disease of cereal crops that forms dark masses of spores, or a fungus that causes this disease
The farmer treated the seed to prevent smut from spreading through the wheat.
Thesaurus
Etymology
From Middle English smutten ("to defile or make dirty"), related to German Schmutz ("dirt") and schmutzen ("to stain"). The early noun meant a black stain or particle of soot; the senses involving plant disease and obscene material developed from the ideas of blackening and defilement.