gas

/ɡæs/
noun
  1. A substance like air that is not solid or liquid, used for fuel or heating.
    • Helium is a gas that makes balloons float.
    • We need to fill the car with gas before the trip.
    • The stove runs on natural gas.
  2. The fuel used in a vehicle, especially gasoline.
    • My car gets good gas mileage.
    • The price of gas has gone up again.
    • I stopped at the station to buy gas.
  3. A pedal in a vehicle that controls speed (short for accelerator).
    • The driver stepped on the gas and the car zoomed ahead.
    • Press the gas to go faster.
    • He took his foot off the gas as he approached the curve.
  4. A type of gas used in medicine to make people unconscious or to help them breathe.
    • Oxygen gas is supplied through a mask.
    • The patient was given gas before the surgery.
    • The dentist used laughing gas to relax me.
Antonyms
verb
  1. To poison or kill someone with gas.
    • The soldiers were gassed during the attack.
    • They used chemicals to gas the pests in the building.
    • The factory accidentally gassed the nearby town.
  2. To fill a vehicle with fuel.
    • We stopped to gas the truck at the station.
    • He gassed the lawnmower before cutting the grass.
    • I need to gas up the car before we leave.
  3. To talk a lot, often in an idle or boastful way (informal).
    • They spent the whole afternoon gassing about old times.
    • Stop gassing and get to work!
    • He was gassing on the phone for hours.
What does "gas" mean? | whatsthatwordmean | whatsthatwordmean