Word.ws English Dictionary

Synonyms of eternity

20 similar words · 2 opposite words

Another word for eternity is eternality. Other synonyms of eternity are all time, atemporality, evermore, forever and foreverhood. The opposite of eternity is moment.

Synonyms and similar words for eternity

nounExistence without end, infinite time.

  • all time

nounExistence outside of time.

nounA period of time which extends infinitely far into the future.

nounThe remainder of time that elapses after death.

nounA comparatively long time.

  • an age

nounMore synonyms

  • eternal nowThe condition in which all reality is experienced in the present, with the past contained only in memory and the future...
  • extratemporalityThe state or characteristic of being extratemporal.
  • perpetuity
  • ages
  • centuries
  • donkey's yearsA long time, years and years.
  • hours
  • a lifetime
  • yearsA very long time.
  • yonksA long time (especially a longer time than expected); ages.
  • alwaysnessThe state, quality, or condition of being or lasting indefinitely or always; continuity; indefiniteness; eternity.
  • eternalityAll of time; eternity.
  • forevernessThe quality of being forever, of never coming to an end.

Opposite of eternity

nounAntonym(s) of “existence outside of time”.

  • sempiternityExistence within time but infinitely into the future, as opposed to eternity, understood as existence outside time.

nounMore antonyms

Meaning of eternity

  1. noun Existence without end, infinite time.
  2. noun Existence outside of time.
  3. noun A period of time which extends infinitely far into the future.

Full definition of eternity

eternity in other languages

Questions about synonyms of eternity

What is another word for eternity?
Eternity has 20 synonyms on Word.ws, such as eternality, all time, atemporality, evermore, forever, foreverhood, afterlife and an age.
What is the opposite of eternity?
The opposite of eternity is moment.
What does eternity mean?
Eternity means existence without end, infinite time.

Source and license

Adapted from Wiktionary: eternity (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

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Cite this page: “Synonyms of eternity.” Word.ws, https://word.ws/synonyms/eternity. Based on Wiktionary, CC BY-SA 4.0.