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
Relevance
Example Sentences
Recent Examples of Synonyms for lifespan
Noun
-
Whereas most mammals have roughly the same number of lifetime heartbeats, 1.5 billion, humans have about 2.5 billion.—
Tad Friend,
New Yorker,
4 Aug. 2025 -
In their four years together, the two have built a bond that will last a lifetime.—
Bobby Krivitsky,
Forbes.com,
4 Aug. 2025
Noun
-
In this biography, former Enquirer and Cincinnati Post sportswriter Bill Koch takes us beyond a tragic football career and reveals Cook the man: his childhood in Chillicothe, his career at the University of Cincinnati and his life after football.—
Jeff Suess,
The Enquirer,
30 July 2025
-
The extended life of a coal-burning generating unit confirms the worst fears of environmental groups ― who have watched warily as potential data center energy demand forecasts spiked ― that massive new demand loads could prolong the use of polluting coal and gas.—
Connor Giffin,
The Courier-Journal,
30 July 2025
Noun
-
At the same time, Richardson acknowledged that immigration law often lags behind real-world developments.—
Daniel Libit,
Sportico.com,
3 Aug. 2025
-
Those are familiar sounds from familiar voices that wafted through radios or were covered by prom bands at another time of life.—
Christopher Arnott,
Hartford Courant,
3 Aug. 2025
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.
Cite this Entry
“Lifespan.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lifespan. Accessed 9 Aug. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share