1. Composed of, or characterised by, grease; oily; unctuous; as, a greasy dish.
2. Smeared or defiled with grease. With greasy aprons, rules, and hammers. (Shak)
3. Like grease or oil; smooth; seemingly unctuous to the touch, as is mineral soapstone.
4. Fat of body; bulky.
5. Gross; indelicate; indecent.
6. (Science: veterinary) affected with the disease called grease; as, the heels of a horse. See grease.
Origin: Compar. Greasier; superl. Greasiest.