1. in a manner that is covered with, containing, or resembling grease; oily
2. in an ingratiating or obsequious manner; in a way that seems insincere or flattering
Usage: informal

Examples

• The pizza box was greasily stained from the pepperoni.
• His hair looked greasily unwashed after three days without a shower.
• He smiled greasily at the customer, hoping for a large tip.
• The mechanic's hands were greasily covered in engine oil.
• She spoke greasily, flattering everyone in the room with obvious insincerity.
• The fried chicken sat greasily on the paper plate.