"soiling" in the noun sense
1. soiling, soilure, dirtying
the act of soiling something
"soiling" in the verb sense
1. dirty, soil, begrime, grime, colly, bemire
make soiled, filthy, or dirty
"don't soil your clothes when you play outside!"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License