I was just wondering if there was a single word to represent the phrase "something that is available/accessible all the time". The context for this is to thanks all the members of a team who helped to accomplish something and they were available 24/7 for the last few weeks.

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    "on-call" perhaps? PS: you might not be aware that there are strict rules for single-word-requests: "To ensure your question is not closed as off-topic, please be specific about the intended use of the word. You must include a sample sentence demonstrating how the word would be used." You can add this using the edit link. :-) Oct 19, 2018 at 23:47

1 Answer 1


This concept is common in the IT world.

You could say the team was highly available. They had zero downtime. They offered five-nines support.

High availability is a characteristic of a system, which aims to ensure an agreed level of operational performance, usually uptime, for a higher than normal period. [...] Generally, the term downtime is used to refer to periods when a system is unavailable.
- Wikipedia

To be available “five nines" means to be available 99.999% of the time, i.e. unavailable 5.26 minutes per year.

You could use terminology regarding SLAs.

Service-level agreements can contain numerous service-performance metrics with corresponding service-level objectives. A common case in IT-service management is a call center or service desk. Metrics commonly agreed to in these cases include: [...]

  • TAT (Turn-Around Time): Time taken to complete a certain task.
  • MTTR (Mean Time To Recover): Time taken to recover after an outage of service.

- Wikipedia

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