(noun, adjective)


1. containing an unusual amount of grease or oil

- oily fried potatoes

Similar word(s): fat, fatty, greasy, oleaginous, sebaceous

2. (figuratively) too friendly or polite so as to appear insincere.

- an oily sycophantic press agent

Similar word(s): insincere, buttery, fulsome, oleaginous, smarmy, soapy, unctuous

3. coated or covered with oil

- oily puddles in the streets

Similar word(s): coated

4. smeared or soiled with grease or oil

- get rid of rubbish and oily rags

Similar word(s): dirty, soiled, unclean, greasy


1. A marble with an oily lustre.

2. (in the plural, informal) oilskins (waterproof garment)