noun, plural gas·es or gas·ses.
- Also called gas pedal. the foot-operated accelerator of an automotive vehicle: Take your foot off the gas.
- empty talk.
- a person or thing that is very entertaining, pleasing, or successful: The party was an absolute gas, and we loved it.
- a person or thing that affects one strongly.
verb (used with object), gassed, gas·sing.
- to talk nonsense or falsehood to.
- to amuse or affect strongly: Her weird clothes really gas me.
verb (used without object), gassed, gas·sing.
- to indulge in idle, empty talk.
- to become drunk (often followed by up).
Origin of gas
Related formsgas·less, adjectivenon·gas, noun, plural non·gas·es.
British Dictionary definitions for gas up
noun plural gases or gasses
- to increase the speed of a motor vehicle; accelerate
- to hurry
verb gases, gasses, gassing or gassed
Derived Formsgasless, adjective
Word Origin for gas
Medicine definitions for gas up
n. pl. gas•es
Science definitions for gas up
Related formsgaseous adjective (găs′ē-əs, găsh′əs)
Culture definitions for gas up
Idioms and Phrases with gas up (1 of 2)
Supply a vehicle with gasoline, as in I want to be sure to gas up before we go. James M. Cain used this term in The Postman Always Rings Twice (1934): “I went to gas up a car.” [Colloquial; c. 1930 Also see tank up.
Idioms and Phrases with gas up (2 of 2)
In addition to the idiom beginning with gas
- gas up
- cook with gas
- run out of steam (gas)