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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Example Sentences
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Recent Examples of lifetime
Any change to the current penalty system — 80 games for first-time offenders, a full season for second-time offenders and a lifetime ban for the third — would have to be collectively bargained for and agreed upon by the commissioner’s office and the players’ association.
—
Brittany Ghiroli, New York Times, 6 Mar. 2026
But the range someone can be sentenced to supervised release can go much longer, lasting up to lifetime parole for some serious offenses.
—Jack Harvel, Kansas City Star, 6 Mar. 2026
Denmark has previously expanded what constitutes art and culture, for example by awarding a lifetime national arts honor to heavy metal act King Diamond.
—James Brooks, Fortune, 6 Mar. 2026
There is one other change in the night sky that occurs on time scales much longer than a human lifetime.
—Vahe Peroomian, The Conversation, 5 Mar. 2026
See All Example Sentences for lifetime
Brittany Ghiroli, New York Times, 6 Mar. 2026
But the range someone can be sentenced to supervised release can go much longer, lasting up to lifetime parole for some serious offenses.
—Jack Harvel, Kansas City Star, 6 Mar. 2026
Denmark has previously expanded what constitutes art and culture, for example by awarding a lifetime national arts honor to heavy metal act King Diamond.
—James Brooks, Fortune, 6 Mar. 2026
There is one other change in the night sky that occurs on time scales much longer than a human lifetime.
—Vahe Peroomian, The Conversation, 5 Mar. 2026
See All Example Sentences for lifetime
Recent Examples of Synonyms for lifetime
Noun
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In addition, Lyon highlighted a direct correlation between the intensity and duration of training.—
Sandra Rose Salathe,
Flow Space,
6 Mar. 2026
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For carriers and other oil-intensive industries, much depends on the duration of conflict, according to Fitch Ratings.—
Megan Cerullo,
CBS News,
6 Mar. 2026
Noun
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For instance, Potrero Elementary has drainage issues, roof problems and major water intrusion under the building, and many of its trailers are well beyond their lifespan.—
Jemma Stephenson,
San Diego Union-Tribune,
10 Mar. 2026
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Every foam mattress in this guide was tested by our editors and contributors in their own homes—many for years, if not the lifespan of the mattress.—
Bailey Berg,
Architectural Digest,
10 Mar. 2026
Noun
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Questions and comments will be moderated, read, and answered as time allows.—
Carolyn Hax,
Washington Post,
27 Mar. 2026
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Boise State would hang around for the final two-minute period, which stretched to about 30 minutes of actual time, as both teams repeatedly sent each other to the free-throw line and called timeouts.—
Shaun Goodwin,
Idaho Statesman,
10 Mar. 2026
Noun
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Advice columnist Carolyn Hax takes your comments and questions most Fridays about life, family, relationships and more.—
Carolyn Hax,
Washington Post,
27 Mar. 2026
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The conflict has also claimed the lives of seven US soldiers and injured about 140 American troops.—
Sujita Sinha,
Interesting Engineering,
11 Mar. 2026
Cite this Entry
“Lifetime.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lifetime. Accessed 13 Mar. 2026.
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