Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Enduring forever; eternal.

from The Century Dictionary.

  • Eternal; everlasting; endless; having no end.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Of neverending duration; everlasting; endless; having beginning, but no end.
  • adjective Without beginning or end; eternal.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Seemingly everlasting or eternal.
  • adjective philosophy everlasting, that is having infinite temporal duration; as opposed to eternal, outside time and thus lacking temporal duration

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective having no known beginning and presumably no end

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English, from Old French sempiternel, from Late Latin sempiternālis, from Latin sempiternus : semper, always; see sem- in Indo-European roots + aeternus, eternal; see aiw- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Medieval Latin sempiternālis, from Latin sempiternus, a contraction of semperæternus, from semper ("always") + æternus ("eternal"). Possibly via French sempiternel.

Examples

Comments

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  • dateless: having no known beginning and presumably no end. per wordnet.

    March 20, 2007

  • "Empty of everything, in a hum of sempiternal readiness for that soul-wilting, muse-recoiling Jawohl, Herr Kommandant! to shoot up one’s spinal column as quick as a blastula ..." from John Latta's Isola di Rifiuti

    August 3, 2007

  • Semper means "always." This is a word I have heard in Christian prayers.

    August 14, 2008

  • Not from the U.S. Marine Corps?

    August 14, 2008

  • Used in the Same Context

    Juvenal · agelong · arab-israeli · birds' · ever-widening · fast-gathering · flowerlike

    April 4, 2011