mul·​ti-mil·​len·​ni·​al ˌməl-tē-mə-ˈle-nē-əl How to pronounce multi-millennial (audio)
: involving or occurring over more than two thousand years
We are on the cusp of the next phase of a multimillennial trend (begun when the first maps of the land beyond the horizon were made) that involves more and more of the world being seen at once.Daniel Nadler

Word History

First Known Use

1899, in the meaning defined above

Time Traveler
The first known use of multi-millennial was in 1899

Dictionary Entries Near multi-millennial

Cite this Entry

“Multi-millennial.” Dictionary, Merriam-Webster, Accessed 25 May. 2024.

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