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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

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

Amateur theatrical companies from the city will be glad to come in return for an appreciative audience and a dance afterward, with a good fill-up on solid farm cooking.

From Dennison Grant: a Novel of To-day by Robert J. C. Stead

European countries in particular are under pressure to fill up gas storage ahead of the winter.

From The Wall Street Journal Aug. 27, 2026

The Russian capital braced Wednesday for a possible fresh wave of fuel shortages as drivers queued nervously to fill up tanks after recent Ukrainian strikes.

From Barron's Aug. 12, 2026

In theory the PM could delay its implementation - but the problem then is that this would mean the prison population would begin to head towards crisis point as cells fill up again.

From BBC Jul. 23, 2026

Shoppers who fill up at Costco generally spend more overall, Vachris added.

From The Wall Street Journal Jul. 18, 2026

Abu Janan says it makes him happy when people fill up his rooms.

From "Habibi" by Naomi Shihab Nye

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