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

Ranging from 2,200 square feet to 3,581 square feet, the exceptionally spacious villas have terraces, gourmet kitchens, dining areas, personal butlers and staff available around the clock. — Katie Sweeney, Forbes.com, 30 June 2026

More than 20 countries have sent rescue teams to Venezuela so far, with rescuers working around the clock alongside dogs and drones to locate missing people. — ABC News, 30 June 2026

Adjective

Data center demand grows Artificial intelligence and cloud computing have intensified the search for reliable, around-the-clock power sources, putting advanced nuclear technologies in the spotlight. — Aamir Khollam, Interesting Engineering, 24 June 2026

Her father told the court that she is now confined to a wheelchair and requires around-the-clock medical care. — Nikiya Carrero, CBS News, 18 June 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