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
On-site staff are available to residents at all developments in addition to the specialty teams responding to emergency heating, elevator, and skilled trades repair needs around-the-clock. Lisa Rozner, CBS News, 26 Feb. 2026 The Florida Council on Compulsive Gambling oversees the state’s around-the-clock helpline, 888-ADMIT-IT. Ashley Borja, Miami Herald, 25 Feb. 2026 This was the 21st year FC Dallas fans staged an around-the-clock tailgate. Dallas Morning News, 25 Feb. 2026 The Florida Council on Compulsive Gambling oversees the state’s around-the-clock helpline, 888-ADMIT-IT. Ashley Borja, The Orlando Sentinel, 23 Feb. 2026 See All Example Sentences for around the clock

Word History

First Known Use

Phrase

1872, in the meaning defined at sense 1

Adjective

1915, in the meaning defined above

Time Traveler
The first known use of around the clock was in 1872

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 5 Mar. 2026.

Last Updated: - Definition revised
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