WordNet sense 1 (the part of the earth's surface consisting of humus and disintegrated rock):

dirt

WordNet sense 2 (the state of being covered with unclean things):

filth, grease, grime, grunge, stain

WordNet sense 3 (material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use)):

ground, land

WordNet sense 4 (the geographical area under the jurisdiction of a sovereign state):

territory

WordNet sense 5 (make soiled, filthy, or dirty):

begrime, bemire, dirty, colly