Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “centennial”


noun [C]  /senˈten·i·əl/ (also centenary,  /senˈten·ə·ri, ˈsent·ənˌer·i/) us  
the day or year that is 100 years after a particular event, esp. an important one; the 100th anniversary: The sculpture commemorates Wyoming’s centennial.
(Definition of centennial from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of centennial?
Add Cambridge dictionaries to your browser to your website

Word of the Day


an alcoholic drink made from apples

Word of the Day


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