[ ih-tur-ni-tee ]
See synonyms for: eternityeternities on

noun,plural e·ter·ni·ties.
  1. infinite time; duration without beginning or end.

  2. eternal existence, especially as contrasted with mortal life: the eternity of God.

  1. Theology. the timeless state into which the soul passes at a person's death.

  2. an endless or seemingly endless period of time: We had to wait an eternity for the check to arrive.

  3. eternities, the truths or realities of life and thought that are regarded as timeless or eternal.

Origin of eternity

1325–75; Middle English eternite<Latin aeternitās.See eterne, -ity

Other words from eternity

  • non·e·ter·ni·ty, noun
  • pre·e·ter·ni·ty, noun

Words Nearby eternity Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use eternity in a sentence

British Dictionary definitions for eternity


/ (ɪˈtɜːnɪtɪ) /

nounplural -ties
  1. endless or infinite time

  2. the quality, state, or condition of being eternal

  1. (usually plural) any of the aspects of life and thought that are considered to be timeless, esp timeless and true

  2. theol the condition of timeless existence, believed by some to characterize the afterlife

  3. a seemingly endless period of time: an eternity of waiting

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012