"oily" in the adjective sense
1. greasy, oily, sebaceous, oleaginous
containing an unusual amount of grease or oil
"greasy hamburgers"
"oily fried potatoes"
"oleaginous seeds"
2. buttery, fulsome, oily, oleaginous, smarmy, soapy, unctuous
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"
3. oily
coated or covered with oil
"oily puddles in the streets"
4. greasy, oily
smeared or soiled with grease or oil
"greasy coveralls"
"get rid of rubbish and oily rags"
Source: WordNet® (An amazing lexical database of English)
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