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 Looking for the ‘perfect radiator’ White dwarf stars are the dense remnants left behind after stars like our sun reach the end of their lifespan. — Laura Baisas, Popular Science, 15 Oct. 2026 Yet medicine tends to frame conditions affecting the brain across the lifespan, from autism and ADHD to Alzheimer’s disease, as primarily genetic or social in origin. — Holly Baines, STAT, 14 Oct. 2026 If that is the case, this diagnosis may not impact his lifespan. — Brittney Melton, NPR, 14 Oct. 2026 The study, which analyzed nearly 800,000 individuals across their lifespan, found that clinical obesity rates climbed through adulthood. — Khloe Quill, FOXNews.com, 13 Oct. 2026 See All Example Sentences for lifespan
Recent Examples of Synonyms for lifespan
  1. duration
  2. life
  3. lifetime
  4. time
Noun
  • El Niño is not a storm that hits at a particular location, but rather a long duration phenomenon that tilts the odds in favor of extreme weather and climate events for certain areas.
    — Andrew Freedman, CNN Money, 14 Oct. 2026
  • Collins and his colleagues also tested different durations of contact between healthy and bleached corals.
    — ABC News, ABC News, 14 Oct. 2026
Definition of duration
Noun
  • For younger consumers who have always managed much of their lives through apps, these experiences often feel like different versions of the same activity.
    — Aneri Jambusaria, Fortune, 18 Oct. 2026
  • People who score high on measures of zest are also more likely to view their lives as meaningful.
    — Joan M. Cook, Time, 17 Oct. 2026
Definition of life
Noun
  • The work is intended to help transfer specialized nuclear-submarine design knowledge, improve technical coordination and strengthen the industrial capabilities required to build and sustain advanced submarines over their operational lifetimes.
    — Prabhat Ranjan Mishra, Interesting Engineering, 15 Oct. 2026
  • Cooked, though, is like a film about said playground, each shot carefully captured and then edited into a strange and multivalent whole that could take a lifetime to parse.
    — Grayson Haver Currin, Pitchfork, 15 Oct. 2026
Definition of lifetime
Noun
  • In the debate Thursday night, Sullivan highlighted his record defending Alaska's energy and military interests in the state and attacked Peltola as ineffective during her time in office.
    — Matthew Choi The Washington Post, Arkansas Online, 17 Oct. 2026
  • Larsson has missed practice time and the final three preseason games because of his illness, and Smith missed the entire preseason after straining his calf during training camp.
    — Anthony Chiang, Miami Herald, 17 Oct. 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 21 Oct. 2026.

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