up·​time | \ ˈəp-ˌtīm How to pronounce uptime (audio) \

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 Ideally, the same sort of cloud-server smarts that allows for near-constant uptime and seamless replication of data could also be put to work automating the deployment and management of these services. Rob Pegoraro, Ars Technica, "“Everything as a service” is coming—but we’re not there quite yet," 10 Sep. 2019 By contrast, enterprise IT projects led by CIOs alone are often judged by operational metrics, including uptime, ticket closures, production incidents and application availability, or project cost and other delivery metrics, Mr. Kässer said. Angus Loten, WSJ, "As Auto Makers Embrace AI, CIOs Become Team Players," 16 Jan. 2019 While a three-month reprieve might not seem like a big change after years of server uptime, at least players of these games will have an extended chance to say goodbye to their online communities. Kyle Orland, Ars Technica, "Sony keeping Warhawk, other PS3 game servers live through January [Updated]," 2 Nov. 2018 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

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.

See More

First Known Use of uptime

1958, in the meaning defined above

Keep scrolling for more

Learn More about uptime

Time Traveler for uptime

Time Traveler

The first known use of uptime was in 1958

See more words from the same year

Statistics for uptime

Cite this Entry

“Uptime.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uptime. Accessed 14 Aug. 2020.

Keep scrolling for more

More Definitions for uptime


How to pronounce uptime (audio)

English Language Learners Definition of uptime

: time during which a computer or machine is working

Comments on uptime

What made you want to look up uptime? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Name That Thing: Animal Edition

  • alt 5a023732e6f75
  • Name that animal:
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!