top up

verb

topped up; topping up; tops up

transitive verb

British : to make up to the full quantity, capacity, or amount

intransitive verb

British : to replenish a supply
top-up noun British

Examples of top up in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Levothyroxine is prescribed to treat hypothyroidism—where the thyroid doesn't produce enough of the hormone thyroxine—and works by topping up thyroid hormone levels. Yaakov Katz, Newsweek, 28 Nov. 2024 So, consider topping up your water bottle a bit more often during periods of drought—the daily recommended intakes for women and men are 11.5 cups and 15.5 cups, respectively—though there are other ways to maximize your hydration, too. Taylore Glynn, Vogue, 27 Nov. 2024 Check every so often to make sure that there is enough stock in the tray, just top up if needed. Rebekah Evans, theweek, 17 Oct. 2024 The need to top up the 92 has become a way of life for club members. Richard Sutcliffe, The Athletic, 20 Aug. 2024 See all Example Sentences for top up 

Word History

First Known Use

1885, in the meaning defined at transitive sense

Time Traveler
The first known use of top up was in 1885

Dictionary Entries Near top up

Cite this Entry

“Top up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/top%20up. Accessed 22 Dec. 2024.

Last Updated: - Updated example sentences
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