24-7

[[t]twe̱ntifɔː(r)se̱v(ə)n[/t]]

also twenty-four seven

ADV: ADV after v

If something happens 24-7, it happens all the time without ever stopping. 24-7 means twenty-four hours a day, seven days a week. [mainly AM, INFORMAL]

I feel like sleeping 24-7.

ADJ: ADJ n

24-7 is also an adjective.

Now it is a 24-7 radio station that generates $30 million a year in advertising revenue.