Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “Wikipedia™”

Wikipedia™

noun [S]     trademark
a large website that provides free information in many languages on many subjects, and can be changed or added to by anyone. There are experts who watch for errors, and pages on which disagreements about subjects can be discussed: Wikipedia is a good place to start to get a broad overview of the subject.
(Definition of Wikipedia™ noun from the Cambridge Business English Dictionary © Cambridge University Press)
Focus on the pronunciation of Wikipedia™

Word of the Day

closeness

the quality of knowing someone very well, liking them a lot, and wanting to spend a lot of time together

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