1. containing, covered with, or resembling oil
2. excessively smooth or flattering in manner; insincerely charming
Usage: often disapproving

Examples

• The mechanic’s hands were oily from working on the engine.
• She wiped the oily residue off the frying pan.
• The salad dressing was too oily for my taste.
• His oily hair needed washing.
• The politician’s oily smile made voters suspicious.
• I don’t trust that oily salesman.
• The fish left an oily film on the water’s surface.