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.
Like, that uptime is the key here, right? — Joel Feder, The Drive, 10 June 2026 Adoption is accelerating as manufacturers look for better ways to improve uptime, throughput, quality, and resilience. — Todd Edmunds, Forbes.com, 29 June 2026 Budget documents state that reducing network software spending could increase vulnerability to cyberattacks and compromise network uptime. — Nora O'Neill, Charlotte Observer, 20 May 2026 The humanoid features soft exterior components to improve workplace safety, wireless charging to maximize operational uptime, and speech-to-speech communication capabilities for more natural interaction with workers. — Jijo Malayil, Interesting Engineering, 26 June 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 7 Jul. 2026.

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