Lifespan

//ˈlaɪf.spæn// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    The length of time for which an organism lives.

    "Meronym: healthspan"

  2. 2
    the period during which something is functional (as between birth and death) wordnet
  3. 3
    The length of time for which something exists or is current, valid, or usable. broadly

    "The virtual enterprise forum developed several "classical" management functions for which resources were available throughout its lifespan."

Synonyms

All synonyms
lifetimelifelifelife expectancylife-timelifetime

Example

More examples

"A qilin with a king too has no limit on its lifespan, but this illness alone admits of no remedy."

Etymology

From life + span.

More for "lifespan"

SynonymsSentencesPronunciationTranslate

Next best steps

Find stronger synonymsSee usage examplesCheck pronunciationBrowse writing guides

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.