24/7

or 24‑7, 24×7, twen·ty-four sev·en

[ twen-tee-fawr sev-uhn, ‑-fohr‑, twuhn-tee‑ ]

adverb

1. continually; constantly:

   They're together 24/7.

adjective

1. continual; constant:

   The manufacturer offers 24/7 customer support.

24/7

1. 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.

Word History and Origins

Origin of 24/7¹

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

Related Words

• continuous
• endless
• interminable
• never-ending
• nonstop
• ongoing
• perpetual
• relentless
• round-the-clock
• unending
• uninterrupted