gas

noun

(uncountable, physical chemistry) Matter in an intermediate state between liquid and plasma that can be contained only if it is fully surrounded by a solid (or in a bubble of liquid, or held together by gravitational pull); it can condense into a liquid, or can (rarely) become a solid directly by deposition.

(uncountable) A flammable gaseous hydrocarbon or hydrocarbon mixture used as a fuel, e.g. for cooking, heating, electricity generation or as a fuel in internal combustion engines in vehicles, especially natural gas.

(uncountable, military) Poison gas.

(countable, physical chemistry) A chemical element or compound in such a state.

(countable) A hob on a gas cooker.

(uncountable) Methane or other waste gases trapped in one's belly as a result of the digestive process; flatus.

(business, often attributive) The supply of natural gas, as a utility.

(slang) Frothy or boastful talk; chatter.

(baseball) A fastball.

(medicine, colloquial) Arterial or venous blood gas.

(uncountable, Canada, US, New Zealand, Philippines) Gasoline, a light derivative of petroleum used as fuel.

(uncountable, cryptocurrencies) An internal virtual currency used in Ethereum to pay for certain operations, such as blockchain transactions.

(slang, uncountable) Marijuana, typically of high quality.

A city in Kansas.

A commune in Eure-et-Loir, France.

(uncountable, by extension) Ellipsis of gas pedal; accelerator, throttle. [(Canada, US, automotive) An accelerator; a foot control for fuel flow.]

(Philippines, education) Acronym of general academic strand, a strand under the academic track in senior high school.

Acronym of group A Streptococcus.

(slang, dated) A humorous or entertaining event, person, or thing.

verb

(transitive) To attack or kill with poison gas.

(transitive) To use poison gas in (a volume or area) to attack or kill someone or something.

(intransitive, slang) To talk in a boastful or vapid way; to chatter.

(transitive, slang) To impose upon by talking boastfully.

(intransitive) To emit gas.

(transitive) To impregnate with gas.

(transitive) To singe, as in a gas flame, so as to remove loose fibers.

(US) To increase the fuel flow to a vehicle's engine in order to accelerate it.

(US) To fill (a vehicle's fuel tank) with fuel.

adjective

(slang, uncountable) Of high quality.

(slang) Comical, zany; fun, amusing.

Roots

khaosgas- · Greek · chaos, void

Synonyms for gas

gasolinen petroln propanen fueln petroleumn flatulencen flatulencyn methanen kerosenen butanen oiln benzinen

Synonyms & related words for gas

Find synonyms, related words, and the definition of gas — including gasoline, petrol, propane, fuel, petroleum, flatulence. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to gas

Explore words related to gas — words associated with it, words that go with it, and its nearest matches in meaning. Related words include gasiform, rhigolene, afterdamp, gasohol, ligroin, gaseous, gasified, hydrocarbon. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for gas

Common synonyms for gas include gasoline, petrol, propane, fuel, petroleum, flatulence, flatulency, methane — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does gas come from?

The word gas breaks down into one root of Greek origin: the root gas-, from Greek khaos (“chaos, void”). Explore each root to see other English words built from the same source.