lifespan

noun

variants also life span
Definition of lifespannext
as in duration
the period during which something exists, lasts, or is in progress I saw no need to pay more for a better-built computer that would just grow obsolete before the end of its lifespan

Synonyms & Similar Words

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of lifespan Viral sit-to-stand and other mobility tests measure strength, balance, fall risk; helpful clues on how the body is aging but not definitive predictions of lifespan. — Devi Shastri, Los Angeles Times, 25 Aug. 2026 This means those daily dishwasher runs can shorten the lifespan of your dishwasher and its internal components over time. — Caroline Lubinsky, Martha Stewart, 25 Aug. 2026 The average working lifespan of a police canine is approximately seven to eight years, Bettineschi said. — Sofia Saric, Miami Herald, 25 Aug. 2026 In the wild, clouded leopards have an average lifespan of 11 to 13 years, while their average captive lifespan is 11 to 15 years. — Carlos E. Castañeda, CBS News, 25 Aug. 2026 See All Example Sentences for lifespan
Recent Examples of Synonyms for lifespan
  1. duration
  2. life
  3. lifetime
  4. time
Noun
  • Announced on September 1, the approval covers propulsion systems designed to support long-duration missions with limited human intervention.
    — Sujita Sinha, Interesting Engineering, 2 Sep. 2026
  • Check the basket capacity, expected flight duration, cancellation and refund policy, and whether the operator will rebook you if weather intervenes.
    — Scott Campbell, Condé Nast Traveler, 2 Sep. 2026
Definition of duration
Noun
  • For the traditional Telugu Hindu ceremony, their priest translated Sanskrit to English in real time, and the mandap was designed as a circle to represent how life flows into itself for eternity.
    — Nicole Kliest, Vogue, 29 Aug. 2026
  • Your stories are a great reminder of what sports teaches high school students about life.
    — Los Angeles Times, Los Angeles Times, 29 Aug. 2026
Definition of life
Noun
  • Pitt couldn’t attend Wednesday as Clooney was honored with the Venice International Film Festival’s Golden Lion for lifetime achievement.
    — Raechal Shewfelt, Entertainment Weekly, 3 Sep. 2026
  • The odds that a person will develop lung cancer in their lifetime is about 1 in 19, the American Cancer Society says.
    — Mary Kekatos, ABC News, 3 Sep. 2026
Definition of lifetime
Noun
  • Crump also made a Facebook post about the Blytheville incident on Saturday, which had been shared more than 4,000 times as of Sunday afternoon.
    — Daniel McFadin, Arkansas Online, 31 Aug. 2026
  • For example, expressing appreciation for past help or thanking the doctor for their time was more helpful than emphasizing sadness or frustration.
    — Paul Hsieh, Forbes.com, 31 Aug. 2026
Definition of time

Browse Nearby Words

lifers
lifespan
life spans
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Cite this Entry

“Lifespan.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lifespan. Accessed 5 Sep. 2026.

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