Synonyms

24/7

American

[twen-tee-fawr sev-uhn, ‑-fohr‑, twuhn-tee‑] / ˈtwɛn tiˌfɔr ˈsɛv ən, ‑ˌfoʊr‑, ˈtwʌn ti‑ /

Or 24‑7,

adverb

continually; constantly.

They're together 24/7.

adjective

continual; constant.

The manufacturer offers 24/7 customer support.

24/7 Cultural

Twenty-four hours a day, seven days a week: “This convenience store is open 24/7.” The term, which also appears as “24-7,” can be used figuratively to mean “with great time and effort”: “We worked on the design 24/7 in order to complete the work on time.” This phrase was coined in the late twentieth century.

Etymology

Origin of 24/7

First recorded in 1985–90; shortening of twenty-four hours a day, seven days a week

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.

“American destroyers are on station, supported by hundreds of fighter jets, helicopters, drones, and surveillance aircraft, providing 24/7 overwatch for peaceful commercial vessels.”

From The Wall Street Journal • May 7, 2026

Offering the “highest degree of service,” the building also provides on-site, 24/7 staff.

From MarketWatch • Apr. 30, 2026

It has 40 volunteers who are on call 24/7, and who actively work with local people to prevent crime and increase safety by working with police and other agencies, according to its website.

From BBC • Apr. 29, 2026

Patients with existing prescriptions who aren’t Amazon One Medical patients can access on-demand, 24/7 renewals starting at $29.

From Barron's • Apr. 21, 2026

All the while, little cytoplasmic factories work 24/7, cranking out sugars, fats, proteins, and energy to keep the whole thing running and feed the nucleus—the brains of the operation.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023