uptime

noun

up·​time ˈəp-ˌtīm How to pronounce uptime (audio)
: time during which a piece of equipment (such as a computer) is functioning or able to function

Examples of uptime in a Sentence

We need to maximize network uptime.
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.
In industrial environments, these questions have consequences affecting safety, uptime, quality, resilience and customer trust. — John Healy, Forbes.com, 23 July 2026 The companies said insights gained from production will help refine system setup, uptime and manufacturing processes, paving the way for broader adoption of the technology in future generations of semiconductor manufacturing. — Neetika Walter, Interesting Engineering, 15 July 2026 See All Example Sentences for uptime

Word History

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of uptime was in 1958

Rhymes for uptime

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Browse Nearby Words

uptilt
uptime
up to
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Cite this Entry

“Uptime.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uptime. Accessed 1 Aug. 2026.

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