gas

Meanings

• the state of matter distinguished from the solid and liquid states by: relatively low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ability to diffuse readily; and the spontaneous tendency to become distributed uniformly throughout any container
• a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
• a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
• a state of excessive gas in the alimentary canal
• a pedal that controls the throttle valve
  • "he stepped on the gas"
• a fossil fuel in the gaseous state; used for cooking and heating homes
• attack with gas; subject to gas fumes
  • "The despot gassed the rebellious tribes"
• show off

Synonyms

accelerator, accelerator pedal, blow, bluster, boast, brag, flatulence, flatulency, gas pedal, gasconade, gaseous state, gasolene, gasoline, gun, natural gas, petrol, shoot a line, swash, throttle, tout, vaunt