twenty-four seven

• 24/7, 24-7, twenty-four/seven

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

twenty-four seven (not comparable)

1. 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.

   Synonyms: all the time, constantly, continuously, non-stop, nonstop, unceasingly, unstoppingly

   Near-synonyms: twenty-four hours a day, round the clock

   They're open twenty-four seven; you can go there any time you want.

2. (colloquial, often figurative) Constantly, with little or no interruption; continually; very often.

   I'm ready to skydive twenty-four seven. [⁠nonliteral, hyperbolic⁠]

   • 2000, “Stan”, in Eminem (music), The Marshall Mathers LP:

     My girlfriend's jealous 'cause I talk about you twenty-four seven

• twenty-five/eight (colloquial)

• 24/5
• 24/7/365

• around the clock