Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “millennium”

See all translations

millennium

noun [C] uk   /mɪˈlen.i.əm/ ( plural millennia or millenniums) us  
C2 a period of 1,000 years, or the time when a period of 1,000 years ends: The corpse had lain preserved in the soil for almost two millennia. How did you celebrate the Millennium (= the beginning of the new millennium)?
Compare
More examples
  • The book is a history of the last two millennia.
  • Imagine what the world will be like at the end of the next millennium.
millennial
adjective uk   /-əl/ us  
Translations of “millennium”
in Korean 천년간…
in Arabic ألفيّة…
in French millénaire…
in Turkish binyıl, binyıllık dönem…
in Italian millennio…
in Chinese (Traditional) 一千年,千周年, 千周年紀念日…
in Russian тысячелетие…
in Polish tysiąclecie, millenium…
in Spanish milenio…
in Portuguese milênio…
in German das Jahrtausend…
in Catalan mil·leni…
in Japanese 1000年間…
in Chinese (Simplified) 一千年,千周年, 千周年纪念日…
(Definition of millennium from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of millennium?
Add Cambridge dictionaries to your browser to your website

Definitions of “millennium” in other dictionaries

Word of the Day

white Christmas

a Christmas when it snows

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More