epochal

[ ep-uh-kuhl or, especially British, ee-po- ]
/ ˈɛp ə kəl or, especially British, ˈi pɒ- /

adjective

of, relating to, or of the nature of an epoch.
extremely important, significant, or influential.

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Origin of epochal

First recorded in 1675–85; epoch + -al1

OTHER WORDS FROM epochal

ep·och·al·ly, adverbnon·ep·och·al, adjectivepre·ep·och·al, adjectiveun·ep·och·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for epochal