English Reference
adjective · noun

eternal

adj. · n.
US /iˈtɝnəɫ/ UK /ɪtˈɜːnəl/ eter·nal UK spelling eternals

  1. 01 B2 Upper Intermediate

    adj.lasting forever; having no beginning and no end.

    adj.lasting or existing forever; without end or beginning.

    Simple

    The poet wrote about his eternal love for his wife.

    In context

    Ancient philosophers often debated whether the universe was eternal or if it had a specific moment of creation.

  2. 02 C1 Advanced AcademicFormal Religion

    adj.existing outside of time rather than just lasting a long time.

    adj.existing outside of the flow of time; often contrasted with 'sempiternal' in theological or philosophical contexts.

    Simple

    In many religions, the soul is considered eternal and does not age.

    In context

    Theologians distinguish between the eternal nature of the divine and the temporal existence of humanity.

    timelesschangeless
  3. 03 B2 Upper Intermediate Informal

    adj.happening all the time in a way that is boring or annoying.

    adj.seeming to last forever due to constant repetition or persistence; often used to express frustration.

    Simple

    I am tired of their eternal arguments about who should wash the dishes.

    In context

    The project was delayed by the eternal bureaucracy of the local government, with every form requiring multiple signatures.

    ceaselessinterminableconstant
  4. 04 C2 Proficiency Literary

    n.someone or something that lives forever.

    n.a being that is immortal or exists forever.

    Simple

    The old legends tell stories of the eternals who watched over the forest.

    In context

    In the epic poem, the protagonist seeks the wisdom of the eternals to understand the fate of his kingdom.

It’s the eternal energy of London, written on skin and flesh; rage and laughter, smiles and tears.

The Guardian· 13 Aug 2026

Society’s needs always change, while many foundations’ missions are intended to satisfy a specific need that’s not eternal.

The Conversation· 16 Jul 2026

From Middle English eternal, from Old French eternal, from Late Latin aeternālis, from Latin aeternus (“eternal”), from aevum (“age”). Displaced native Old English ēċe.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin aeternus
Level C1 · Advanced
Frequency Common
Updated