dirt

Dirt is any matter considered unclean, especially when in contact with a person's clothes, skin, or possessions. In such cases, they are said to become dirty. Common types of dirt include:Debris: scattered pieces of waste or remains Dust: a general powder of organic or mineral matter Filth: foul matter such as excrement Grime: a black, ingrained dust such as soot Soil: the mix of clay, sand, and humus which lies on top of bedrock. The term 'soil' may be used to refer to unwanted substances or dirt that are deposited onto surfaces such as clothing.