Meaning & use
gas
A substance, such as air, that has no fixed shape and expands to fill any available space.
See it in a sentence
Helium is a lightweight gas often used to fill party balloons.
The stove uses natural gas to heat the burners quickly.
A note on using this word
In American English, gas is also short for gasoline, the fuel used in most cars, a sense rarely used in British English.
Words with a similar meaning
vaporfumes
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
Another way to use it
2. noun
Short for gasoline, the fuel used to power most cars and other vehicles.
We stopped at the station to fill the tank with gas before the long drive.
Make it your own
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