greasier See {greasy} greasy adj 1: containing an unusual amount of grease or oil; "greasy hamburgers"; "oily fried potatoes"; "oleaginous seeds" [syn: {oily}, {sebaceous}, {oleaginous}] 2: smeared or soiled with grease or oil; "greasy coveralls"; "get rid of rubbish and oily rags" [syn: {oily}] [also: {greasiest}, {greasier}]