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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

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

Fast chargers can get a battery to 80% of its capacity in 20 minutes to one hour, making them optimal for travel corridors and in some cases comparable to a gasoline fill-up.

From Seattle Times Jul. 26, 2023

In another widely circulated image, he appears perplexed at how to pay for a fill-up at a gas station.

From Los Angeles Times Aug. 28, 2022

Fasters and cleansers should make at least three attempts at a complete fill-up each time they do an enema session.

From How and When to Be Your Own Doctor by Steve Solomon

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

I also fill up a massively obnoxious water bottle that has times on it that I carry everywhere.

From Los Angeles Times Sep. 14, 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

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

“Those bars fill up with a rowdy bunch, especially on the weekend.”

From "Merci Suárez Changes Gears" by Meg Medina

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