Dirt (noun)

1. Soil or earth that has been turned over or removed, especially soil from the surface of the ground.
2. Small pieces of earth or soil.
3. Unclean matter, especially when in contact with the body or clothes.
4. An unclean or dirty state.
5. Dishonorable or unethical behavior or actions.

Origin:

Old english drit "excrement", of germanic origin; related to dutch drol and german dreck, also to dreary.

Examples:

1. I need to get the dirt out of my fingernails.
2. The garden needed to be weeded and the dirt removed.
3. She wiped the dirt off her shoes.
4. He was covered in dirt from head to toe.
5. The politicians were accused of being involved in dirty dealings.