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.

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

2. (colloquial) Constantly, without interruption.
   • 2000, Eminem (music), “Stan”, in The Marshall Mathers LP:

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

• all the time, constantly, continuously, non-stop, twenty-four hours a day

• twenty-five/eight (colloquial)

• around the clock