Last updated on October 31, 2021 by

Millennium – Definition & Example in Context

Definition and real example for millennium with images for ESL learners together with similar words in authentic context

/mɪˈlen.i.əm/ (noun)


a period of time around 1000 years, an anniversary of a thousand years, epoch, era, time


A millennium is a period of one thousand years. Sometimes, the word is used specifically for periods of a thousand years that begin at the starting point (initial reference point) of the calendar in consideration (typically the year “1”) and at later years that are whole number multiples of a thousand years after the start point. The term can also refer to an interval of time beginning on any date.



millennia / millenniums

Parts of speech

Adjective: millennial

Adverb: millennially

Noun: millennialism

Noun: millennialist

Similar words

decade, score, century, tercentenary

About Dr. Mohammad Hossein Hariri Asl

Dr. Mohammad Hossein Hariri Asl is an English and Persian instructor, researcher, inventor, author, blogger, SEO expert, website developer, and the creator of LELB Society. He's got a PhD in TEFL (Teaching English as a Foreign Language). Study our guest posting guidelines for authors.

Leave a Comment

Glad to see you're commenting. We'll answer your comments or questions immediately. Please note that all comments are reviewed. So, do NOT share links or use unreal names. We won't publish your Email address.

3 × 5 =