Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “upon”

upon

preposition     /əˈpɒn/ US  /-ˈpɑːn/
B2 formal on: Upon her head she wore a black velvet hat . You can never place enough emphasis upon the importance of safety . Upon your arrival (= as soon as you arrive ), please report to the reception desk .On or off be upon sb formal to be something that someone will experience or have to deal with soon : Another couple of weeks and the holidays will be upon us.About to happenCloseness in distance and time
(Definition of upon preposition from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of upon

Definitions of “upon” in other dictionaries

Word of the Day

chef

a skilled and trained cook who works in a hotel or restaurant, especially the most important cook

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