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eternal

/ɪˈtɜːnəl/adjective

Lasting forever, or seeming to have no end.

Example sentences

  • “Many religions promise eternal life after death.”
  • “The memorial keeps an eternal flame burning for fallen soldiers.”
  • “My uncle is an eternal optimist who always expects good news.”

'An eternal optimist' is someone who stays hopeful no matter what. The adverb often means 'always', as in 'I'm eternally grateful'.

Featured as word of the day on February 16, 2026.

Synonyms for eternal

Antonyms

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