twenty-four seven

Definition

24 hours per day, seven days per week. Designates a round-the-clock service, typically including holidays, as might be offered by a supermarket, ATM, gas station, concierge service or manned data center.

Etymology

Shortened from twenty-four hours a day, seven days a week.

Example Sentences

• "Near-synonyms: twenty-four hours a day, round the clock"
• "They're open twenty-four seven; you can go there any time you want."
• "I'm ready to skydive twenty-four seven. [⁠nonliteral, hyperbolic⁠]"