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 Personal health, lifespan, cash flow needs, and uncertain politics are crucial factors. — Steve Vernon, Forbes.com, 2 July 2026 To prevent moisture and body oils from breaking down the internal components (and keep stains and allergens at bay), investing in a quality mattress protector is one of the simplest and most effective ways to extend your mattress's lifespan. — Jamie Cuccinelli, Martha Stewart, 1 July 2026 Maintaining blinds helps reduce allergens, such as dust and pollen, that can affect the indoor air quality of your home, extends their overall lifespan and functionality, and improves the overall appearance of the interior of your home. — Mary Marlowe Leverette, The Spruce, 1 July 2026 Plan for the full lifespan, since hens live five to ten years but only lay productively for two or three. — Ryan Brennan, Sacbee.com, 30 June 2026 See All Example Sentences for lifespan
Recent Examples of Synonyms for lifespan
  1. duration
  2. life
  3. lifetime
  4. time
Noun
  • Projects, such as Form Energy’s 10 MW/1,000 MWh iron-air battery at Xcel’s Sherco site and ACES Delta’s hydrogen storage hub in Utah, point toward a system designed for much longer duration support.
    — Junaid Ali, Forbes.com, 8 July 2026
  • Betavoltaic batteries are best suited for low-power applications that require a reliable, long-duration source of electricity.
    — Stephen Clark, ArsTechnica, 8 July 2026
Definition of duration
Noun
  • Hernandez, 29, a contractor based in Franklin, about 20 miles south of Nashville, undertook the $380 project with furniture from HomeGoods after seeing his pet spend most of her life tucked away in a little corner.
    — Saman Shafiq, USA Today, 5 July 2026
  • The operation was a testament to the growing effectiveness of a multinational collection of urban search-and-rescue squads — known as USAR — that have become ubiquitous life-savers at epicenters of calamity across the globe.
    — Mery Mogollón, Los Angeles Times, 5 July 2026
Definition of life
Noun
  • The Court is functioning as intended under our Constitution with lifetime appointments to ensure judicial independence from political pressure.
    — Brent Andersen, Sun Sentinel, 9 July 2026
  • Fast-forward to 2026, and the actress behind Lizzie—aka, Hilary Duff—has gone through several personal and professional evolutions in her lifetime.
    — Gina Vaynshteyn, StyleCaster, 9 July 2026
Definition of lifetime
Noun
  • While wedding vows typically last about one to three minutes per person, Swift and Kelce took their time celebrating one another on their big day.
    — Chanel Vargas, InStyle, 6 July 2026
  • The extraordinary strait lockdown could make this time different.
    — David Goldman, CNN Money, 6 July 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 10 Jul. 2026.

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