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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

There are now 59 stations, clustered in Los Angeles and the Bay Area, with an essential fill-up spot at Harris Ranch on Interstate 5 to make a trip between the two possible.

From Los Angeles Times ● Jul. 26, 2023

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

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

If approved, Rosebank is expected to fill up to 500 million barrels of oil over its 25-year lifetime.

From BBC ● Oct. 21, 2026

"My main thought was that petrol would run out at the petrol stations and I'd better fill up."

From Barron's ● Oct. 18, 2026

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

From Slate ● Oct. 15, 2026

We fill up one whole side of the street.

From "A Good Kind of Trouble" by Lisa Moore Ramée

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