as in duration
the period during which something exists, lasts, or is in progress
the lifetime of the camera's batteries was so short we couldn't get through a day trip without having to replace them
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Recent Examples of lifetime
The opera house, the second-largest venue at the Kennedy Center, is the site of the annual Kennedy Center Honors, the nation’s highest award for lifetime achievement in the arts.
—
David Matthews, New York Daily News, 22 July 2025
The team also theorizes that this star has not yet begun to burn hydrogen in its core, the process that defines the main sequence lifetime of a star.
—Robert Lea, Space.com, 21 July 2025
Children who lived near a St. Louis creek polluted with radioactive atomic bomb waste from the 1940s through the 1960s were more likely to be diagnosed with cancer over their lifetimes than children who lived farther from the waterway, a new study has found.
—Ronnie Cohen, NPR, 21 July 2025
Those seeking unsubsidized federal loans for professional degrees, such as law or medicine, will be restricted to $50,000 per year and a $200,000 lifetime cap.
—Anne Marie D. Lee, CBS News, 11 July 2025
See All Example Sentences for lifetime
David Matthews, New York Daily News, 22 July 2025
The team also theorizes that this star has not yet begun to burn hydrogen in its core, the process that defines the main sequence lifetime of a star.
—Robert Lea, Space.com, 21 July 2025
Children who lived near a St. Louis creek polluted with radioactive atomic bomb waste from the 1940s through the 1960s were more likely to be diagnosed with cancer over their lifetimes than children who lived farther from the waterway, a new study has found.
—Ronnie Cohen, NPR, 21 July 2025
Those seeking unsubsidized federal loans for professional degrees, such as law or medicine, will be restricted to $50,000 per year and a $200,000 lifetime cap.
—Anne Marie D. Lee, CBS News, 11 July 2025
See All Example Sentences for lifetime
Recent Examples of Synonyms for lifetime
Noun
-
To prevent the transfer of sensitive intellectual property, the exiting team members are required to serve a period of gardening leave, the duration of which is decided in their contract with the current team.—
Saajan Jogia,
MSNBC Newsweek,
24 July 2025
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Expectations were low for the summit in the Chinese capital marking 50 years of diplomatic ties after weeks of escalating tension and wrangling over its format, with the duration abruptly halved to a single day at Beijing’s request.—
Reuters,
NBC news,
24 July 2025
Noun
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Osbourne played Austin as a solo artist numerous times throughout the 1980s and '90s at venues including Austin Opry House, Southpark Meadows, Frank Erwin Center and Austin Music Hall.—
Mars Salazar,
Austin American Statesman,
23 July 2025
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After closing for almost a year due to a project that upgraded multiple areas of the park, Ludington State Park, Michigan's most popular campground, will underground construction again this fall — this time to renovate the beloved Skyline Trail.—
Jalen Williams,
Freep.com,
23 July 2025
Noun
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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
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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
Cite this Entry
“Lifetime.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lifetime. Accessed 4 Aug. 2025.
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