adjectives
containing an unusual amount of grease or oil
"greasy hamburgers"; "oily fried potatoes"; "oleaginous seeds"
unpleasantly and excessively suave or ingratiating in manner or speech
"buttery praise"; "gave him a fulsome introduction"; "an oily sycophantic press agent"; "oleaginous hypocrisy"; "smarmy self-importance"; "the unctuous Uriah Heep"; "soapy compliments"
coated or covered with oil
"oily puddles in the streets"
is similar to
having a coating; covered with an outer layer or film; often used in combination
"coated paper has a smooth polished coating especially suitable for halftone printing"; "sugar-coated pills"
smeared or soiled with grease or oil
"greasy coveralls"; "get rid of rubbish and oily rags"