soiled or likely to soil with dirt or grime
"dirty unswept sidewalks"
"a child in dirty overalls"
"dirty slums"
"piles of dirty dishes"
"put his dirty feet on the clean sheet"
"wore an unclean shirt"
"mining is a dirty job"
"Cinderella did the dirty work while her sisters preened themselves"
Dirty, soiled or foul.