| oil | (noun) oil paint containing pigment that is used by an artist | Synonyms: oil color, oil colour |
|---|
| (noun) any of a group of liquid edible fats that are obtained from plants | Synonyms: vegetable oil |
| (noun) a slippery or viscous liquid or liquefiable substance not miscible with water | - |
| (noun) a dark oil consisting mainly of hydrocarbons | Synonyms: crude, crude oil, fossil oil, petroleum, rock oil |
| (verb) administer an oil or ointment to; often in a religious ceremony of blessing | Synonyms: anele, anoint, embrocate, inunct |
| (verb) cover with oil, as if by rubbing | - |
| oilbird | (noun) nocturnal fruit-eating bird of South America that has fatty young yielding an oil that is used instead of butter | Synonyms: guacharo, Steatornis caripensis |
|---|
| oilcan | (noun) a can with a long nozzle to apply oil to machinery | - |
|---|
| oilcloth | (noun) cloth treated on one side with a drying oil or synthetic resin | - |
|---|
| oiled | (adjective) treated with oil | - |
|---|
| oiler | (noun) a cargo ship designed to carry crude oil in bulk | Synonyms: oil tanker, tank ship, tanker |
|---|
| (noun) a well that yields or has yielded oil | Synonyms: oil well |
| (noun) a worker who oils engines or machinery | - |
| oilfield | (noun) a region rich in petroleum deposits (especially one with producing oil wells) | - |
|---|
| oilfish | (noun) very large deep-water snake mackerel | Synonyms: Ruvettus pretiosus |
|---|
| oiliness | (noun) consisting of or covered with oil | Synonyms: greasiness, oleaginousness |
|---|
| (noun) smug self-serving earnestness | Synonyms: fulsomeness, oleaginousness, smarminess, unction, unctuousness |
| oilman | (noun) a worker who produces or sells petroleum | - |
|---|
| (noun) a person who owns or operates oil wells | - |
| oilpaper | (noun) paper that has been made translucent and waterproof by soaking in oil | - |
|---|
| oilrig | (noun) rig used in drilling for oil or gas | Synonyms: drill rig, drilling rig, oil rig |
|---|
| oilseed | (noun) any of several seeds that yield oil | Synonyms: oil-rich seed |
|---|
| oilskin | (noun) a macintosh made from cotton fabric treated with oil and pigment to make it waterproof | Synonyms: slicker |
|---|
| oilstone | (noun) a whetstone for use with oil | - |
|---|
| oilstove | (noun) heater that burns oil (as kerosine) for heating or cooking | Synonyms: kerosene heater, kerosine heater, oil heater |
|---|
| oily | (adjective) coated or covered with oil | - |
|---|
| (adjective) smeared or soiled with grease or oil | Synonyms: greasy |
| (adjective) containing an unusual amount of grease or oil | Synonyms: greasy, oleaginous, sebaceous |
| (adjective) unpleasantly and excessively suave or ingratiating in manner or speech | Synonyms: buttery, fulsome, oleaginous, smarmy, soapy, unctuous |