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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

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

But a potential benefit of a long wait for an EV fill-up is that customers would spend more time at a gas station property.

From Los Angeles Times Oct. 30, 2022

If savings from the 18.4 cents-a-gallon federal tax on gas are fully passed along to consumers, drivers would save about $2.76 for a 15-gallon fill-up.

From Seattle Times Jun. 22, 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

So the longer Europe waits to fill up storage sites, the bigger the risks.

From Barron's Aug. 10, 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

Projections fill up the dining table during meals.

From Los Angeles Times Jul. 8, 2026

“I can’t wait to help you spend that five hundred bucks,” Arwin says, and we laugh as everyone gathers around the table to fill up their plates.

From "The House That Lou Built" by Mae Respicio

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