Read the dictionary definition of oily. All definitions for this word.
1. smeared or soiled with grease or oil
1. greasy coveralls
2. get rid of rubbish and oily rags
2. containing an unusual amount of grease or oil
1. greasy hamburgers
2. oily fried potatoes
3. oleaginous seeds
3. coated or covered with oil
1. oily puddles in the streets
4. unpleasantly and excessively suave or ingratiating in manner or speech
1. buttery praise
2. gave him a fulsome introduction
3. an oily sycophantic press agent
4. oleaginous hypocrisy
5. smarmy self-importance
6. the unctuous Uriah Heep
7. soapy compliments