Definitions

from The American HeritageĀ® Dictionary of the English Language, 4th Edition

  • adj. Of or characteristic of an epoch.
  • adj. Highly significant or important; momentous: epochal decisions made by Roosevelt and Churchill.
  • adj. Without parallel: epochal stupidity.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. of or pertaining to an epoch
  • adj. highly important or significant; monumentous, epoch-making

from the GNU version of the Collaborative International Dictionary of English

  • adj. Belonging to an epoch; of the nature of an epoch.

from The Century Dictionary and Cyclopedia

  • Belonging to an epoch; of the nature of an epoch; relating to epochs; marking an epoch.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. highly significant or important especially bringing about or marking the beginning of a new development or era

Etymologies

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