Grime

1. (n.) Foul matter; dirt, rubbed in; sullying blackness, deeply ingrained.

2. (v. t.) To sully or soil deeply; to dirt.

Thesaurus Entries

begrime, bemire, bemud, besmoke, besoil, dirt, dirty, dirty up, dust, filth, foul, mire, muck, muck up, mud, muddy, scum, slime, smirch, smoke, smooch, smudge, smut, soot, tarnish