uptime

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uptime

Where it comes from

From up (“(computing) functional, working”, adjective) + time.

noun uptimes

countable, uncountable The period of time a computer has functioned since last requiring a reboot.
countable, uncountable The amount of time, or the proportion of total time, during which some system or machinery is operable. To achieve uptime optimization, the machinery specification and actual design must be right.

Opposite: downtime

Thesaurus

noun

Opposite: downtime

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MLA

"uptime." Wiktionary, via Micwyn, micwyn.com/word/uptime. Accessed 6 Nov. 2026.

APA

uptime. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/uptime

Chicago

"uptime." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/uptime.

BibTeX

@misc{uptime_2026,
  title = {uptime},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/uptime},
  urldate = {2026-11-06}
}