gas

verb

gassed; gassing
Synonyms of gasnext

intransitive verb

1
: to talk idly or garrulously
2
: to give off gas (see gas entry 1 sense 1)
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

Examples of gas in a Sentence

soldiers gassed on the battlefield We stopped to gas the car.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The two men, leaving it all on the line, were gassed in the middle of the ring. Ryan Gaydos, FOXNews.com, 31 May 2026 Denis gassed up, and other riders went inside the station to buy Gatorade and ice, preparing to go off-roading in southern Miami-Dade. Ella Moore, Miami Herald, 19 May 2026 The Lakers were the tortoise by the game’s final buzzer, clearly gassed after trying to halt the revolving door of Oklahoma City bench options. Benjamin Royer, Oc Register, 10 May 2026 Gobert showed you how gassed Jokic was. Charley Walters, Twin Cities, 2 May 2026 See All Example Sentences for gas

Word History

Etymology

derivative of gas entry 1

First Known Use

1849, in the meaning defined at intransitive sense 1

Time Traveler
The first known use of gas was in 1849

Browse Nearby Words

Cite this Entry

“Gas.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gas. Accessed 9 Jun. 2026.

Kids Definition

gas

1 of 2 noun
plural gases also gasses
1
: a fluid (as hydrogen or air) that has no fixed shape and tends to expand without limit
2
a
: a gas or mixture of gases used as a fuel or as an anesthetic
b
: a gaseous product of digestion
c
: a fluid substance (as tear gas) that can be used to produce a poisonous or suffocating atmosphere
3
: unimportant talk : bombast
4
5
slang : something appealing or enjoyable
the party was a gas

gas

2 of 2 verb
gassed; gassing
1
: to supply with gas
gas up the car
2
a
: to treat with gas
b
: to poison with gas
3
: to talk idly

Medical Definition

gas

1 of 3 noun
plural gases also gasses
1
: a fluid (as air) that has neither independent shape nor volume but tends to expand indefinitely
2
: a gaseous product of digestion
also : discomfort from this
3
: a gas or gaseous mixture used to produce anesthesia
4
: a substance that can be used to produce a poisonous, asphyxiating, or irritant atmosphere

gas

2 of 3 transitive verb
gassed; gassing
1
: to treat chemically with gas
2
: to poison or otherwise affect adversely with gas

GAS

3 of 3 abbreviation
1
2
gender-affirming surgery; gender affirmation surgery

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