I. ˈgas noun
( plural gas·es also gas·ses )
Etymology: New Latin, alteration of Latin chaos space, chaos
Date: 1779
1. : a fluid (as air) that has neither independent shape nor volume but tends to expand indefinitely
2.
a. : a combustible gas or gaseous mixture for fuel or lighting ; especially : natural gas
b. : a gaseous product of digestion ; also : discomfort from this
c. : a gas or gaseous mixture used to produce anesthesia
d. : a substance that can be used to produce a poisonous, asphyxiating, or irritant atmosphere
3. : empty talk : bombast
4. : gasoline ; also : the accelerator pedal of an automotive vehicle
5. : driving force : energy
I was young, and full of gas — H. L. Mencken
ran out of gas in the seventh inning
6. slang : something that gives pleasure : delight
the party was a gas
II. verb
( gassed ; gas·sing )
Date: 1852
intransitive verb
1. : to talk idly or garrulously
2. : to give off gas
3. : to fill the tank (as of an automobile) with gasoline — usually used with up
transitive verb
1. : to supply with gas or especially gasoline
gas up the car
2.
a. : to treat chemically with gas
b. : to poison or otherwise affect adversely with gas
3. slang : to please greatly