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.
This makes 24/7 uptime across multiple shifts achievable. Chris Young, Interesting Engineering, 9 Feb. 2026 Mike understands that energy is the foundation on which everything else rests, from process uptime to jobs and regional stability. Wyles Daniel, USA Today, 8 Feb. 2026 Learning To Speak Operational Language That shift meant leading with uptime instead of emissions. Geri Stengel, Forbes.com, 22 Jan. 2026 The agent that improves uptime in one plant should be able to do the same elsewhere. Norbert Jung, Fortune, 17 Dec. 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 21 Feb. 2026.

Last Updated: - Updated example sentences
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