Grime

n.	1.	Foul matter; dirt, rubbed in; sullying blackness, deeply ingrained.
v. t.	1.	To sully or soil deeply; to dirt.

Noun	1.	grime - the state of being covered with unclean things Synonyms: grunge, soil, dirt, filth, grease, stain
Verb	1.	grime - make soiled, filthy, or dirty; "don't soil your clothes when you play outside!" Synonyms: begrime, bemire, colly, dirty, soil

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