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 (ĕp′ə-kəl, -ŏk′əl)
1. Of or characteristic of an epoch.
a. Highly significant or important; momentous: epochal decisions made by Roosevelt and Churchill.
b. Without parallel: epochal stupidity.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈɛp ə kəl; esp. Brit. ˈi pɒ-)

1. of, pertaining to, or of the nature of an epoch.
2. extremely important, significant, or influential.
ep′och•al•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.epochal - highly significant or important especially bringing about or marking the beginning of a new development or era; "epochal decisions made by Roosevelt and Churchill"; "an epoch-making discovery"
significant, important - important in effect or meaning; "a significant change in tax laws"; "a significant change in the Constitution"; "a significant contribution"; "significant details"; "statistically significant"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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Describing his eight years as governor as eventful, Ajimobi said his strides in peace and security, road infrastructure, education, commerce, agriculture, health, flood control were epochal such that the state now ranked among the best states in the country.
"They agreed to keep in close touch with each other for the denuclearization of the Korean peninsula and the epochal development of the DPRK-US relations in the future, too, and continue productive dialogues for settling the issues discussed at the Hanoi Summit," said a report by Korean Central News Agency.
"The scale is epochal. There are dozens of dead among those who fell from the bridge or got trapped under the rubble," Francesco Bermano said.
They discuss epochal changes in a global context: toward a history-in-common, defining epochs in global history: whether it is possible to write history-in-common without shared concepts; the view from Europe: the Renaissance, the view from China: renaissances; and the Renaissance and the rise of the West, and renaissance-in-common: history-as-dialogues.
The Pontiff added at a conference in the Vatican that climate change was a challenge of "epochal proportions".
He told them that climate change was a challenge of "epochal proportions", adding that the world needed to come up with an energy mix that combated pollution, eliminated poverty and promoted social justice.
The editors of this book have tapped into that rich seam to tell the story of this epochal event through the words of those who lived through it.
'While understanding the complications of the current situation and matters relating to national interest, Suhakam further advises in the public interest that the circumstances justifying the prohibition to travel will need to be provided, to underline the commitments of the country since the epochal change it has undergone,'' its chairman Tan Sri Razali Ismail said in a statement.
The front populaire achieved several epochal social reforms, introducing such things as paid vacations.
"It began with musings on epochal paintings and evolved with the photographs I had taken over the years," said Kiarostami, who won Cannes Palme d'Or for "Taste of Cherry" in 1997.
The Hollywood comedienne is set to portray the role of the epochal blonde doll in the 'Barbie' live-action remake slated for 2018, The Hollywood Reporter revealed.