greasy

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

• adjective Coated or soiled with grease.
• adjective Containing grease, especially too much grease.
• adjective Suggestive of grease in slickness or slipperiness.

from The Century Dictionary.

• Full of grease; having much grease or fat; oily; unctuous; fat: as, greasy food.
• Smeared or soiled with grease; hence, slippery as if from being greased.
• Like grease or oil; seemingly unctuous to the touch: as, a chalk that has a greasy feel.
• Slimy; muddy; foul.
• Foggy; misty.
• Nautical, dirty; foul; disagreeable: said of weather.
• Gross; indecent.
• In farriery, affected with the disease called grease: as, a horse with greasy legs.
• Successful in whaling; having taken a full cargo of oil: as in the expression greasy luck.
• See the extract.

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

• adjective Composed of, or characterized by, grease; oily; unctuous.
• adjective Smeared or defiled with grease.
• adjective Like grease or oil; smooth; seemingly unctuous to the touch, as is mineral soapstone.
• adjective rare Fat of body; bulky.
• adjective obsolete Gross; indelicate; indecent.
• adjective (Far.) Affected with the disease called grease; as, the heels of a horse. See Grease, n., 2.

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

• adjective Having a slippery surface; having a surface covered with grease.
• adjective Containing a lot of grease or fat.
• adjective slang detestable, unethical.

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

• adjective containing an unusual amount of grease or oil
• adjective smeared or soiled with grease or oil