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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.

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

Young’s usual spot for a fill-up and lottery tickets was closed that day.

From Los Angeles Times • Oct. 19, 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

And this would give the burros a good rest and a fill-up before their climb.

From Pluck on the Long Trail Boy Scouts in the Rockies by Sabin, Edwin L. (Edwin Legrand)

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