epochal

adjective

ep·​och·​al ˈe-pə-kəl How to pronounce epochal (audio)
ˈe-ˌpä-kəl
1
: of or relating to an epoch
2
: uniquely or highly significant : momentous
during his three epochal years in the assemblyC. G. Bowers
also : unparalleled
epochal stupidity
epochally adverb

Examples of epochal in a Sentence

Recent Examples on the Web
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For a country so historically averse to government debt, the speed and scope of these decisions demonstrate how deeply German officials believe that the change in Europe’s relationship with the United States is epochal. Arancha González Laya, Foreign Affairs, 12 May 2025 Pember’s journalism and advocacy, along with that of a growing number of writers and activists, both Native and not, are making clear the scope and impact of one major pillar of this epochal injustice. Charles Arrowsmith, Los Angeles Times, 21 Apr. 2025 What Fielder and his pilots are really rehearsing is good citizenship in the midst of an epochal emergency. Judy Berman, Time, 15 Apr. 2025 In a striking parallel to the 1990s, epochal thinking about the potentialities of a high technology society has once again upended politics. Jacob Bruggeman & Casey Eilbert / Made By History, TIME, 3 Mar. 2025 See All Example Sentences for epochal

Word History

First Known Use

1685, in the meaning defined at sense 1

Time Traveler
The first known use of epochal was in 1685

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Cite this Entry

“Epochal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/epochal. Accessed 21 May. 2025.

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