sooty

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Covered with or as if with soot.
• adjective Of or producing soot.
• adjective Blackish or dusky in color.

from The Century Dictionary.

• Covered or marked with soot; black with soot.
• Producing soot.
• Produced by soot; consisting of soot.
• Resembling soot; dark; dusky.
• In zoology and botany, fuliginous; of a dusky or dark fuscous color: specifically noting many animals.
• To black or foul with soot.

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb rare To black or foul with soot.
• adjective Of or pertaining to soot; producing soot; soiled by soot.
• adjective Having a dark brown or black color like soot; fuliginous; dusky; dark.
• adjective (Zoöl.) an albatross (Phœbetria fuliginosa) found chiefly in the Pacific Ocean; -- called also nellie.
• adjective (Zoöl.) a tern (Sterna fuliginosa) found chiefly in tropical seas.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective of, relating to, or producing soot
• adjective soiled with soot
• adjective of the color of soot
• verb To blacken or make dirty with soot.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective covered with or as if with soot
• adjective of the blackest black; similar to the color of jet or coal