any of a large class of substances typically unctuous, viscous, combustible, liquid at ordinary temperatures, and soluble in ether or alcohol but not in water: used for anointing, perfuming, lubricating, illuminating, heating, etc.
a substance of this or similar consistency.
refined or crude petroleum.
Seeoil color.
Seeoil painting.
unctuous hypocrisy; flattery.
an oilskin garment.
facts or news; information: good oil.
to attempt to calm a difficult or tense situation, as an argument.
They struck oil only after years of market research.
to discover oil, esp. to bring in a well.
to have good luck, esp. financially; make an important and valuable discovery:They struck oil only after years of market research.
—v.t.
to smear, lubricate, or supply with oil.
to bribe.
to make unctuous or smooth: to oil his words.
to convert into oil by melting, as butter.
—adj.
pertaining to or resembling oil.
using oil, esp. as a fuel: an oil furnace.
concerned with the production or use of oil: an offshore oil rig.