smut
Definitions
Obscene or indecent language, literature, or photographs.
A black or dirty mark, smudge, or particle of soot.
Examples
The librarian was shocked to find that someone had hidden a piece of smut inside the classic novel.
He wiped the smut from his face after working in the coal mine all day.
Synonyms
obscenity pornography filth lewdness indecency dirt vulgarity
Antonyms
purity decency innocence virtue cleanliness modesty wholesomeness