variants
also life span
as in lifetime
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
Recent Examples of Synonyms for lifespan
Noun
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One study found that people who spend a lifetime average of six hours per day watching TV can expect to live 4.8 years less than people who watch no TV.—
Mark Stibich,
Verywell Health,
23 July 2025 -
It is cut and sewn in America, and has a lifetime warranty.—
Frank Witsil,
Freep.com,
23 July 2025
Noun
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Advertisement Launched in 2003 by President George W. Bush, the President’s Emergency Plan for AIDS Relief (PEPFAR) is widely considered one of America’s most consequential programs in Africa, credited with saving over 25 million lives and scaling back the AIDS epidemic.—
Nik Popli,
Time,
15 July 2025
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Quebrada’s upcoming film tells the story of a married woman, Cecilia, who faces silent grief after her lover’s sudden death, mourning in secret amid normal life.—
Anna Marie de la Fuente,
Variety,
15 July 2025
Noun
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Osbourne performed multiple times in Kentucky throughout his career, including stops at Rupp Arena, Cardinal Stadium and Freedom Hall.—
Marina Johnson,
The Courier-Journal,
23 July 2025
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This time, without the cachet (and baggage) of a 147-year-old news institution behind him.—
Andy Meek,
Forbes.com,
23 July 2025
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Cite this Entry
“Lifespan.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lifespan. Accessed 29 Jul. 2025.
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