Define depreciate: to lower in honor or esteem; to lower the price or estimated value of â depreciate in a sentence to lower in honor or esteem; to lower the price or estimated value ofâ¦ See the full definition
Definition of 'grease'. grease. Grease is a thick, oily substance which is put on the moving parts of cars and other machines in order to make them work smoothly. ...grease-stained hands. If you grease a part of a car, machine, or device, you put grease on it in order to make it work smoothly.
1 Bribe or protection money; money given for corrupt purposes: They get so much grease it takes them half a block just to change direction (1823+) 2  Butter (WWII Army) 3  Food (Persian Gulf War Army)  A gun: You handled the grease real good, but not good enough, you didn't kill them.