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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:

A 15-gallon fill-up that ran $45 in 2023 can cost close to $70 or more.

From MarketWatch ● May 13, 2026

“In summary, a total of 440 miles were driven since the last fill-up on January 4, 2022,” he wrote.

From Los Angeles Times ● Dec. 18, 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

"I guess you air gittin' yer fill-up of it, Niece Ruth," growled the miller, with a sound in his throat that might have been a chuckle.

From Ruth Fielding and the Gypsies The Missing Pearl Necklace by Alice B. Emerson

While Mexico and other Latin American countries traditionally celebrate on Nov. 1 and Nov. 2, a litany of Día de los Muertos festivities fill up the Southern California calendar beginning in early October.

From Los Angeles Times ● Oct. 29, 2026

People had to spend more to fill up their cars, fly on planes and pay for their heating bills as the weather turned cooler.

From MarketWatch ● Oct. 29, 2026

Who has an army of trolls who fill up her mentions every day with invective.

From Slate ● Oct. 15, 2026

Hauliers have described the cost to their businesses as "devastating" and say it now costs £250 a week more to fill up a lorry.

From BBC ● Sep. 25, 2026

So that was the end of the pet parade, and it left a big empty spot in the day’s activities, which the teachers had to fill up somehow.

From "The Best School Year Ever" by Barbara Robinson

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