1. (noun)dirt, filth, grime, soil, stain, grease, grunge the state of being covered with unclean things
2. (noun)soil, dirt the part of the earth's surface consisting of humus and disintegrated rock
3. (noun)land, ground, soil material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use)
"the land had never been plowed"; "good agricultural soil"
4. (noun)territory, soil the geographical area under the jurisdiction of a sovereignstate "American troops were stationed on Japanese soil"
5. (verb)dirty, soil, begrime, grime, colly, bemire make soiled, filthy, or dirty
"don't soil your clothes when you play outside!"