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sempiternity

noun

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

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Cite this Entry

“Sempiternity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sempiternity. Accessed 29 Nov. 2025.

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