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.
Success was measured in uptime. Alessio Alionco, Forbes.com, 18 June 2026 This includes industrial manufacturing operations and artificial intelligence data centers, which face pressure to reduce their carbon footprints while maintaining uninterrupted operational uptime. Aman Tripathi, Interesting Engineering, 14 June 2026 Like, that uptime is the key here, right? Joel Feder, The Drive, 10 June 2026 The company first unveiled the Figure 03 humanoid in October, noting that the robots can autonomously exit a work floor for maintenance when software or hardware issues are detected, with another unit immediately taking over operations to ensure uninterrupted uptime. Glenn Taylor, Footwear News, 1 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

Browse Nearby Words

Cite this Entry

“Uptime.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uptime. Accessed 19 Jun. 2026.

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