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

ə-ˈrau̇nd-ṯẖə-ˈkläk 

: 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

Phrase

Large computing facilities need steady power around the clock, creating pressure to bring new generation capacity online faster. — Neetika Walter, Interesting Engineering, 11 Aug. 2026

After all, remote firms like his have the top pick of top global talent and can operate around the clock. — Orianna Rosa Royle, Fortune, 8 Aug. 2026

Adjective

Enjoy around-the-clock lifestyle management and planning support tailored to your specific needs—and designed to save you time. — Jason Stauffer, CNBC, 10 Aug. 2026

Reliable, around-the-clock electricity has become a growing priority as power demand rises from data centers, artificial intelligence infrastructure and industrial expansion. — Aamir Khollam, Interesting Engineering, 4 Aug. 2026

Word History

First Known Use

Phrase

1872, in the meaning defined at sense 1

Adjective

1915, in the meaning defined above

Rhymes for around the clock

• electroshock
• aftershock
• antiknock
• arawak
• hollyhock
• interlock
• manioc
• shuttlecock
• tomahawk
• weathercock
• alcock
• beanstalk