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.
The result is a service designed for performance, uptime and professional-grade dependability. Roxanne Downer, USA Today, 10 Nov. 2025 The next milestone will be reached when either platform demonstrates consistent uptime, efficient maintenance, and safe human collaboration over extended operational cycles. Kaif Shaikh, Interesting Engineering, 7 Nov. 2025 Eaton, on the other hand, makes power management systems and components that enable data centers to run more efficiently, with greater uptimes and scalability. Zev Fima, CNBC, 13 Oct. 2025 Thanks to Backblaze encryption and 99.99% uptime, your data is not only fast to access but also locked down with enterprise-grade security. PC Magazine, 12 Oct. 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

Browse Nearby Words

Cite this Entry

“Uptime.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uptime. Accessed 16 Nov. 2025.

Last Updated: - Updated example sentences
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