: an action or instance of filling up something (such as a gas tank)

Examples of fill-up in a Sentence

Recent Examples on the Web
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And with the average passenger car carrying between 12 and 16 gallons of fuel, according to online car-shopping guide Edmunds, costs can add up quickly per fill-up. Becca Stanek, TheWeek, 29 Apr. 2026 Add that on to possibly one to two fill-ups a day. Derek James, CBS News, 29 Apr. 2026 Alpenblow doesn't list a flow rate but estimated fill-up times for most sleeping pads range between three and five minutes, compared to the 75 seconds Nitecore estimates for the AP01. New Atlas, 20 Apr. 2026 Road trippers should also plan fill-ups around cheaper gas stops instead of randomly pulling off the highway when the fuel light illuminates. Doug Turnbull, AJC.com, 29 Mar. 2026 See All Example Sentences for fill-up

Word History

First Known Use

1853, in the meaning defined above

Time Traveler
The first known use of fill-up was in 1853

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Cite this Entry

“Fill-up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fill-up. Accessed 6 May. 2026.

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