perpetual

pur-PET-choo-ul /pəˈpɛtʃuəl/
adjectiveC1GRESATGMAT
formalliterary

Never ending or changing; occurring repeatedly so as to seem endless.

Often used for things that feel like they will last forever, sometimes with a sense of weariness.

The story behind the word. From Latin 'perpetuus', which literally meant 'going through without interruption'. It shares a root with 'petition' (to seek).

Word relationships

  • eternal: Eternal often has a spiritual or religious tone; perpetual is more often used for physical or mechanical processes.
  • temporary: Temporary means lasting for a limited time; perpetual means lasting forever.

Commonly confused with

  • perennial: Perennial means recurring year after year; perpetual means never stopping at all.

Word family

  • perpetuity (noun): A state of lasting forever.
  • perpetuate (verb): To make something continue indefinitely.

Collocations

  • perpetual motion
  • perpetual fear
  • perpetual state

Example sentences

  • "The inventor claimed to have created a perpetual motion machine, though physics says otherwise." Describing a theoretical machine.

Memory hook

Perpetual sounds like 'per-pet-you-all'—it goes through and pets everyone forever. Through and through, never ending.

When not to use

Don't use it for things that have a clear end date, even if they are long.

Fun facts

  • A 'perpetual bond' is a bond with no maturity date; it pays interest forever.

Related words

incessant, perennial

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