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.
What began as efforts to enhance security, improve data visibility or reduce manual friction often led to unexpected conversations about uptime, energy load and long-term scalability—especially when infrastructure was developed and maintained on-site. Erik Greenstein, Forbes.com, 3 June 2025 As with uptime, Bluehost's quick and reliable customer support continues to impress us in testing. PC Magazine, 3 June 2025 And that’s the battleground where margins, uptime and user trust are truly won. Rob Versaw, Forbes.com, 22 May 2025 Yet many small business owners and developers still rely on manual checks to monitor domain expirations, SSL renewals, and site uptime, leaving them vulnerable to unexpected downtime. Stackcommerce Team, PC Magazine, 6 May 2025 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

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Cite this Entry

“Uptime.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uptime. Accessed 10 Jun. 2025.

Last Updated: - Updated example sentences
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