What is the meaning of Dirt?

Soil or earth.

A stain or spot (on clothes etc); any foreign substance that worsens appearance.

Previously unknown facts or rumors about a person.

Meanness; sordidness.

In placer mining, earth, gravel, etc., before washing.

Freckles.

Excrement; dung.

To make foul or filthy; soil; befoul; dirty

Source: wiktionary.org