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Synonyms

round-the-clock

American  
[round-thuh-klok] / ˈraʊnd ðəˈklɒk /

adjective

  1. a variant of around-the-clock.


round-the-clock British  

adjective

  1. (or as adverb round the clock) throughout the day and night

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

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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.

The “CNN effect” refers to the impact that round-the-clock news coverage has on policymakers to react to what’s happening.

From MarketWatch • Apr. 1, 2026

Cineplexes across India are packing in up to three dozen near round-the-clock shows daily, running from early mornings to late nights.

From BBC • Mar. 24, 2026

It would take more than two years of round-the-clock campaigning just to give each and every one a quick handshake.

From Los Angeles Times • Mar. 8, 2026

Bithumb is fully cooperating with the investigation and has round-the-clock monitoring to prevent similar incidents, a company spokesman said.

From The Wall Street Journal • Feb. 10, 2026

For her own good: round-the-clock care; nice grounds; arts and crafts classes; tennis courts; a friendly, unintimidating staff, no one in a uniform.

From "How the García Girls Lost Their Accents" by Julia Alvarez