not clean
soiled, unclean
Cases of word usage
1) made wet or dirty (bedraggled)
2) the dirty water that collects in the bottom of a ship (bilge)
3) a small blood-sucking insect in dirty houses and beds (bug)
4) to make (a region, water; a person's thoughts etc) dirty or impure (defile)
5) dirty looking; not fresh or pleasant (dingy)
6) a dirty mass; obscene language, pictures etc (filth)
7) very dirty (filthy)
8) to make (a dirty surface) clean or bright by using a rough cloth or pad and soap etc; to look everywhere in (a place) (for a person, thing) (scour)
9) dirty and untidy (scruffy)
10) a grey layer of dirty substances that forms on the surface of water, e.g. in a bath, a pond etc; the worst kind of people (scum)