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.
But the near-continuous operation enables a single robot to replace multiple human shifts, potentially delivering cost savings once uptime and maintenance are factored in. Kaif Shaikh, Interesting Engineering, 17 Dec. 2025 The agent that improves uptime in one plant should be able to do the same elsewhere. Norbert Jung, Fortune, 17 Dec. 2025 This is why in the U.S., our Daikin Applied Americas business is focused on sustainable, high-efficiency data center cooling technologies to reduce consumption while maintaining uptime and reliability. Michaila Byrne, MSNBC Newsweek, 13 Nov. 2025 The result is a service designed for performance, uptime and professional-grade dependability. Roxanne Downer, USA Today, 10 Nov. 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 25 Dec. 2025.

Last Updated: - Updated example sentences
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