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.
According to the company, the platform can lower energy storage costs by 20 percent compared with conventional systems while delivering more than 99 percent uptime. — Atharva Gosavi, Interesting Engineering, 24 Oct. 2026 The provider assumes greater responsibility for deployment, maintenance, software, and uptime. — Navin Chaddha, Fortune, 16 Oct. 2026 This laptop blew past most of the competition with an impressive 37 hours and 3 minutes of uptime on a single charge. — Marshall Honorof, PC Magazine, 3 Oct. 2026 In these environments, uptime and adoption are measured as revenue metrics. — Mike Trkay, Forbes.com, 29 Sep. 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 27 Oct. 2026.

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