around the clock

1 of 2

phrase

variants or less commonly round the clock
1
: continuously for 24 hours : day and night without cessation
2
: without relaxation and heedless of time

around-the-clock

2 of 2

adjective

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

Examples of around the clock in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Kane County is launching a new public safety alert system that will offer around-the-clock information to residents. Cbs Chicago Team, CBS News, 29 Dec. 2025 He has since been diagnosed with frontotemporal dementia and now lives in a separate home — which is near Emma and their young children — with around-the-clock care. Keith Langston, PEOPLE, 27 Dec. 2025 That generation was replaced not with firm, around-the-clock alternatives, but with weather dependent systems that already struggle to meet peak demand. Jason Isaac, Oc Register, 23 Dec. 2025 Michael Nagle | Bloomberg | Getty Images Nasdaq is moving closer to around-the-clock stock trading, a shift that some on Wall Street are calling unnecessary — and potentially destabilizing. Yun Li, CNBC, 16 Dec. 2025 See All Example Sentences for around the clock

Word History

First Known Use

Adjective

1915, in the meaning defined above

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

Browse Nearby Words

See all Nearby Words

Cite this Entry

“Around the clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/around%20the%20clock. Accessed 31 Dec. 2025.

Last Updated: - Definition revised
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