adj., -i·er, -i·est.
- Of or relating to oil.
- Impregnated, smeared with, or containing oil; greasy.
- Excessively suave in action or behavior; unctuous. See synonyms at unctuous.
oiliness oil'i·ness n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
