- a variation of around-the-clock.
round-the-clock
Americanadjective
adjective
Explanation
Use the adjective round-the-clock to mean always, at any time of day. A security company that uses round-the-clock surveillance is keeping an eye on things 24 hours a day. Round-the-clock flights to New York leave all day and all night long, and a diner that offers round-the-clock breakfast will serve you pancakes whether it's six in the morning or midnight. If a patient needs round-the-clock care in the hospital, they'll have nurses checking on them nonstop, day and night. Round-the-clock dates from the 1940s and was first used to describe air raids during World War II.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Clean electricity that is available round-the-clock, such as geothermal, is considered especially valuable.
From The Wall Street Journal ● Sep. 1, 2026
But the grid is missing round-the-clock power to replace Diablo Canyon, said Conor Doyle, chief of strategic initiatives at PG&E, during a recent tour of the plant.
From Los Angeles Times ● Aug. 16, 2026
Disabled people can be left unable to work and facing additional outgoings like higher energy costs for round-the-clock cooling.
From BBC ● Aug. 11, 2026
Vance and his family are required to have round-the-clock Secret Service protection.
From BBC ● Jul. 23, 2026
The first thing he does is instruct Soldier Jackson, his second in command, to set up a two-person, round-the-clock guard on Peeta.
From "Mockingjay" by Suzanne Collins
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.