Standard Lemma guide

epochal

adj · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • [ˈɛ.pək.əl]
  • [ˈiː.pɒk.əl]
  • CMU ARPABET: EH1 P AH0 K AH0 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Of or pertaining to an epoch.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Highly important or significant; monumental, epoch-making.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

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

Definition source: Princeton WordNet 3.0

Examples

  • epochal decisions made by Roosevelt and Churchill
  • an epoch-making discovery

Meaning relationships

Synonyms: epoch-making

Antonyms: none provided

History

Etymology

From epoch + -al.

Across languages

Translations

7 source translations are retained for this English entry.

  • Italian: epocale — of or pertaining to an epoch
  • Polish: epokowy — of or pertaining to an epoch
  • Romanian: epocal — of or pertaining to an epoch
  • German: epochal — highly important
  • Polish: epokowy — highly important
  • Polish: przełomowy — highly important
  • Romanian: epocal — highly important