sem·​pi·​ter·​ni·​ty ˌsem-pi-ˈtər-nə-tē How to pronounce sempiternity (audio)

Word History

First Known Use

1599, in the meaning defined above

Time Traveler
The first known use of sempiternity was in 1599

Dictionary Entries Near sempiternity

Cite this Entry

“Sempiternity.” Dictionary, Merriam-Webster, Accessed 23 Jun. 2024.

More from Merriam-Webster on sempiternity

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!