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  • fill-up
    fill-up
    noun
    an act or instance of filling up, as a tank with fuel.
  • fill up
    fill up
    verb
    (tr) to complete (a form, application, etc)
Synonyms

fill-up

American  
[fil-uhp] / ˈfɪlˌʌp /

noun

  1. an act or instance of filling up, as a tank with fuel.


fill up British  

verb

  1. (tr) to complete (a form, application, etc)

  2. to make or become completely full

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. the act of filling something completely, esp the petrol tank of a car

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of fill-up

First recorded in 1850–55; noun use of verb phrase fill up

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Brands like BP and Exxon offer discounts such as 10 cents off a gallon on your first fill-up and up to 5 cents off each gallon after that.

From MarketWatch Mar. 24, 2026

A fill-up usually takes no more than five or 10 minutes, compared with much longer waits at public EV charging stations.

From Los Angeles Times Aug. 13, 2024

Most of the gasoline was added recently, but the tank never runs completely dry and so a few molecules from the very first fill-up remain.

From Science Magazine Dec. 1, 2023

One hitch: Starship will need a fill-up at an Earth-orbiting fuel depot, before heading to the moon.

From Seattle Times Aug. 24, 2022

And this would give the burros a good rest and a fill-up before their climb.

From Pluck on the Long Trail Boy Scouts in the Rockies by Edwin L. (Edwin Legrand) Sabin

French motorists are clogging TotalEnergies service stations to fill up with discount gasoline but its rivals are crying foul, accusing the energy giant of distorting competition with the encouragement of the government.

From Barron's Sep. 16, 2026

Some gas stations ran dry as drivers rushed to fill up before the new prices took effect.

From The Wall Street Journal Sep. 11, 2026

"Security comes first. If you can't fill up now, you'll fill up later. There are no queues or panic buying."

From BBC Aug. 25, 2026

“Who would think to fill up an ice bath from a water faucet on a rooftop in Chelsea?”

From Los Angeles Times Aug. 17, 2026

The fuel tanks had even been sealed shut back in Moscow so that they couldn’t cheat and land somewhere along the way to fill up again.

From "A Thousand Sisters" by Elizabeth Wein

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