1. (noun)gas, gaseous state 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 Synonyms: gun, petrol, gas pedal, acceleratorpedal, accelerator, throttle, gas, flatulency, gasoline, gaseous state, flatulence, natural gas, gasolene
6. (verb)natural gas, gas a fossil fuel in the gaseous state; used for cooking and heating homes Synonyms: gun, gas pedal, accelerator pedal, petrol, throttle, gas, flatulency, gasoline, gaseous state, accelerator, flatulence, natural gas, gasolene
7. (verb)gas attack with gas; subject to gas fumes Synonyms: bluster, brag, boast, shoot a line, swash, vaunt, blow, tout, gasconade