- 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.
Building services include valet parking, round-the-clock security, and a separate residential entrance.
From MarketWatch ● Oct. 26, 2026
He and his wife settled in a sprawling gated community with round-the-clock security.
From Barron's ● Oct. 19, 2026
Turning their shares into tokens would enable round-the-clock trading, appealing to investors who have grown up on crypto.
From The Wall Street Journal ● Oct. 16, 2026
The embassy is located on a street which is home to several large diplomatic buildings and has a round-the-clock police presence.
From BBC ● Oct. 5, 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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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.