: being in effect, continuing, or lasting 24 hours a day : constant
around-the-clock surveillance

Example Sentences

Recent Examples on the Web Sullivan, like most high-profile executive branch members, has an around-the-clock Secret Service detail that monitors outside of his Washington, D.C. residence. Luke Barr, ABC News, 16 May 2023 NBCUniversal has done that in the past with most sports, using its sister channels for around-the-clock coverage, but has kept the marquee events and finals. Joe Reedy, Chicago Tribune, 11 May 2023 Clinicians would likely need reliable, potentially around-the-clock technical support in case of glitches. Beth Mole, Ars Technica, 2 May 2023 Officials have struggled to find alternative sites for the around-the-clock warming station, which opened in December 2022 and is staffed by Amos House and the Rhode Island National Guard. Alexa Gagosz, BostonGlobe.com, 28 Apr. 2023 Under an around-the-clock summer sun, a young Arctic fox set out in July 2019 from Bylot Island in Nunavut, Canada. Rebecca Dzombak, Scientific American, 25 Apr. 2023 Garot, a mother of two, now requires around-the-clock care at a skilled nursing facility. Kelly Davis, San Diego Union-Tribune, 23 Apr. 2023 They are designed with a full, continuous roof that offers around-the-clock protection from the elements. Camille Okhio, ELLE Decor, 20 Apr. 2023 The keys to the satellite are now in the hands of the IDF’s Military intelligence 9900 Unit, which will begin receiving around-the-clock images from it, and building a full operational intelligence picture. Yaakov Lappin, Sun Sentinel, 13 Apr. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'around-the-clock.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1915, in the meaning defined above

Time Traveler
The first known use of around-the-clock was in 1915

Dictionary Entries Near around-the-clock

Cite this Entry

“Around-the-clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/around-the-clock. Accessed 31 May. 2023.

More from Merriam-Webster on around-the-clock

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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