Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “gas up (something)”

gas up (something)

(present participle gassing, past tense and past participle gassed) phrasal verb with gas    /ɡæs/ verb [T] (-ss-)
to put fuel in a vehicle: I want to gas up when we get to the next service area.
(Definition of gas up (something) from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of gas up (something)

Word of the Day

well in (with)

to have a good relationship with someone in which they like you and from which you get an advantage

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More