Meaning of “24/7” in the English Dictionary

"24/7" in Business English

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24/7adjective

uk us also twenty-four seven informal

done, lasting, etc. for twenty four hours a day, seven days a week:

Running a business is often a 24/7 job.
24/7
adverb

The store is open 24/7.

(Definition of “24/7” from the Cambridge Business English Dictionary © Cambridge University Press)