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
Synonyms & Similar Words
Relevance
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 lifetime
According to the Congressional Budget Office, raising the retirement age from 67 to 69 would cut lifetime benefits by up to 13 percent for those born after 1971.
—
Aliss Higham, MSNBC Newsweek, 28 Sep. 2025
The entire experience was a spectacular reminder of all the amazing — and often secret — spaces that people occupy in New York City, whether for a lifetime or a mere moment or two.
—Andy Greene, Rolling Stone, 28 Sep. 2025
Making Memories As a way of making long-lasting memories with me and my brother, Jonathon, my grandma took each of us on our own once-in-lifetime trip.
—Katherine Polcari, Southern Living, 28 Sep. 2025
Here's how to plan and get the most out of this once-in-a-lifetime experience.
—Mary Curry, Travel + Leisure, 27 Sep. 2025
See All Example Sentences for lifetime
Aliss Higham, MSNBC Newsweek, 28 Sep. 2025
The entire experience was a spectacular reminder of all the amazing — and often secret — spaces that people occupy in New York City, whether for a lifetime or a mere moment or two.
—Andy Greene, Rolling Stone, 28 Sep. 2025
Making Memories As a way of making long-lasting memories with me and my brother, Jonathon, my grandma took each of us on our own once-in-lifetime trip.
—Katherine Polcari, Southern Living, 28 Sep. 2025
Here's how to plan and get the most out of this once-in-a-lifetime experience.
—Mary Curry, Travel + Leisure, 27 Sep. 2025
See All Example Sentences for lifetime
Recent Examples of Synonyms for lifetime
Noun
-
Sustainable supplement Americium-241 offers a sustainable supplement to Pu-238, expanding the fuel options for long-duration space nuclear power.—
Prabhat Ranjan Mishra,
Interesting Engineering,
26 Sep. 2025
-
The amount each customer gets will be based on the total amount of Amazon Prime membership fees paid during the duration of their subscription.—
Melina Khan,
USA Today,
26 Sep. 2025
Noun
-
Allowing a layer of gunk to grow on weather stripping also shortens its lifespan.—
Brandee Gruener,
Southern Living,
26 Sep. 2025
-
Both of these approaches, said Barnhart, extend satellite lifespans, reduce the number of defunct satellites in orbit, and promote sustainability.—
Matthew S Williams,
Interesting Engineering,
26 Sep. 2025
Noun
-
Detectives determined that Holland never stalked Kristil and verified his whereabouts in a different state at the time she was killed.—
Doc Louallen,
ABC News,
26 Sep. 2025
-
However, there are no such hints for players in Season 3, who are sorted into teams at the beginning of their time in Borderland and told where to go for the next match.—
Kayti Burt,
Time,
26 Sep. 2025
Noun
-
It’s implied that an attempt on his own life landed him in a treatment program for the better part of a year.—
Sara Holdren,
Vulture,
26 Sep. 2025
-
In one of the season’s final scenes, the five returning characters have individual counseling sessions with Arisu giving brief updates on their lives.—
Kayti Burt,
Time,
26 Sep. 2025
Cite this Entry
“Lifetime.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lifetime. Accessed 2 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share