Meaning of “24/7” in the English Dictionary

"24/7" in British English

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24/7adverb, adjective

uk /ˌtwen.ti.fɔː ˈsev.ən/ us /ˌtwen.t̬i.fɔːr ˈsev.ən/ informal

24 hours a day, seven days a week: all the time:

We're open for business 24/7.
We offer 24/7 internet access.

(Definition of “24/7” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"24/7" in Business English

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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.

The store is open 24/7.

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