Pronunciation: (oi'lē), [key]
—adj., oil•i•er, oil•i•est,
1. smeared or covered with oil; greasy: an oily road surface.
2. of the nature of, consisting of, or resembling oil.
3. of or pertaining to oil.
4. full of or containing oil.
5. smooth or unctuous, as in manner or speech: an oily hypocrite.
in an oily manner.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.