Eternal and Immortal

Similar meaning words

Eternal adjective - Having an existence or validity that does not change or diminish.

Usage example: a charming fable that presents some eternal truths in a fresh way

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Immortal is a synonym for eternal in everlasting topic. In some cases you can use "Immortal" instead an adjective "Eternal", when it comes to topics like continue, endless, enduring, interminable. popular alternative

Immortal adjective - Lasting forever.

Usage example: the age-old quest for immortal fame

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Eternal is a synonym for immortal in undying topic. You can use "Eternal" instead an adjective "Immortal", if it concerns topics such as continue, enduring, timeless, deathless. popular alternative

In the FreeSpace 2 mod Blue Planet the Shivans appear to follow this trope, as they are implied to be immortal and eternal, transcending universes, not so much a species as a facet or function of the fabric of reality itself.

Source: Eldritch Abomination / Video Games
In Justice League Unlimited, Morgaine Le Fay casts an eternal youth spell on herself and her immortal son, as obviously they would continue aging past the point of being decrepit otherwise.

Source: Required Secondary Powers / Western Animation
Which only began after the awesomeness of being immortal finally wore off and the eternal boredom set in.

Source: Immortal Immaturity

Cite this Source

Immortal and Eternal. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/eternal/immortal

Eternal & Immortal. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/eternal/immortal>.

Immortal or Eternal. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/eternal/immortal.

Google Ngram Viewer shows how "eternal" and "immortal" have occurred on timeline