up·​time | \ˈəp-ˌtīm \

Definition of uptime 

: 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

The program will use leverage Goodyear's artificial intelligence technology and STRATIM's software to help mobility companies predict when tires need serviced or replaced in an effort to maximize fleet uptime. Megan Becka, cleveland.com, "Goodyear launches tire maintenance pilot program for mobility companies," 18 Jan. 2018 In contrast, Sia is designed for hosts with uptimes in the 95- to 98-percent range. Timothy B. Lee, Ars Technica, "Investors poured millions into a storage network that doesn’t exist yet," 10 Aug. 2017 For $12.50 per month, each team member gets 20 GB of storage and Slack guarantees 99.99 percent uptime and prioritizes support requests, among other features. Jeff Carlson, The Seattle Times, "Why you might want to be a Slacker, too," 19 May 2017 That feature is valuable in fault-tolerant, high-uptime servers used in financial and retail organizations that run high volumes of transactions. Agam Shah, PCWorld, "Intel's rebranded Xeon chips sound like credit cards," 5 May 2017 The company’s terms of service now promises business that its online tools will be available 99.9 percent of the time, and in 2010, the company says, Gmail’s uptime topped 99.984 percent — a rather impressive feat. Cade Metz, WIRED, "Google Outage: Six Minutes of Terror," 1 Nov. 2012 The only major customer for Itanium remains Hewlett Packard Enterprise, which is upgrading its Integrity i6 high-uptime servers with the new chips. Agam Shah, PCWorld, "Intel's Itanium, once destined to replace x86 processors in PCs, hits end of line," 11 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'uptime.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of uptime

1958, in the meaning defined above

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up till



up to

up to a point


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Time Traveler for uptime

The first known use of uptime was in 1958

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English Language Learners Definition of uptime

: time during which a computer or machine is working

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full of whispering sounds

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