Definitions
1.NounSoil or earth.
2.NounA stain or spot (on clothes etc); any foreign substance that worsens appearance.
3.NounPreviously unknown facts or rumors about a person."The reporter uncovered the dirt on the businessman by going undercover."
4.NounMeanness; sordidness.
5.NounIn placer mining, earth, gravel, etc., before washing.
6.NounFreckles.
7.NounExcrement; dung.
8.VerbTo make foul or filthy; soil; befoul; dirty