Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “anniversary”


noun [C]  /ˌæn·əˈvɜr·sə·ri/ us  
a day when we remember or celebrate something important that happened on that day in a previous year: To celebrate our wedding anniversary, we gave a big party.
(Definition of anniversary from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of anniversary?
Add Cambridge dictionaries to your browser to your website

More American English definitions for “anniversary”

Definitions of “anniversary” in other dictionaries

Word of the Day


When birds roost, they go somewhere to rest or sleep.

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