Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “or”

or

conjunction (POSSIBILITIES)   /ɔr, ər/
used to connect different possibilities: Is today Tuesday or Wednesday? You can get that blouse in blue, gray, or white. There were ten or twelve people in the room (= approximately that number of people). We’d better make a decision soon or the whole deal will fall through. After a negative verb, or can also continue the negative meaning of the verb: He won’t eat meat or fish (= and will not eat fish either).
(Definition of or conjunction (POSSIBILITIES) from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of or

Definitions of “or” in other dictionaries

Word of the Day

pump iron

to lift heavy weights for exercise

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