Definition of 24/7 in English:

24/7

(also 24-7)

Pronunciation /ˌtwentēˌfôr ˈsevən/ /ˌtwɛntiˌfɔr ˈsɛvən/

adverb

informal
  • Twenty-four hours a day, seven days a week; all the time.

    • ‘you just can't afford to let things get you down, especially when you are on call 24/7’