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epochal

[ep-uh-kuh l or, esp. British, ee-po-]
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adjective
  1. of, relating to, or of the nature of an epoch.
  2. extremely important, significant, or influential.
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Origin of epochal

First recorded in 1675–85; epoch + -al1
Related formsep·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. 2018

Examples from the Web for epochal

Contemporary Examples

Historical Examples

  • The silence lengthened until it became acute, epochal, climactic.

    The Shadow

    Arthur Stringer

  • The 1914 catalogue was epochal in the life of this big farmer.

    Plowing On Sunday

    Sterling North

  • In 1868, Westinghouse made his epochal invention, the railway air-brake.

    Invention

    Bradley A. Fiske

  • Historians recognize two epochal events in the life of the nation.

  • But in the future they will be regarded as epochal in the science of mind.

    The Religious Sentiment

    Daniel G. Brinton


Word Origin and History for epochal

adj.

1680s, from epoch + -al (1).

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Online Etymology Dictionary, © 2010 Douglas Harper