Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

24/7

 
 
adjective (also twenty-four seven) informal

Definition

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 adjective from the Cambridge Business English Dictionary © Cambridge University Press)

Word of the Day

rain on sb's parade

to do something that spoils someone's plans

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More