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
And because of Hall's chats with three customers at his family business, Hall is prepared for a journey of a lifetime during the Free Press Marathon.
—
Scott Talley, Freep.com, 12 Oct. 2025
Three seconds are a lifetime in the NFL, especially against a Broncos pass rush that already led the NFL in sacks before Sunday.
—Zack Rosenblatt, New York Times, 12 Oct. 2025
Really, for the first time in my lifetime, certainly these 20 hostages are going to come home to their families, George.
—Isabella Murray, ABC News, 12 Oct. 2025
Home to 44 countries, each with its own culture, geography, language, traditions, and cuisine, Europe is one of the world’s most popular continents to visit and a once-in-a-lifetime trip for many.
—Asia London Palomba, Travel + Leisure, 11 Oct. 2025
See All Example Sentences for lifetime
Scott Talley, Freep.com, 12 Oct. 2025
Three seconds are a lifetime in the NFL, especially against a Broncos pass rush that already led the NFL in sacks before Sunday.
—Zack Rosenblatt, New York Times, 12 Oct. 2025
Really, for the first time in my lifetime, certainly these 20 hostages are going to come home to their families, George.
—Isabella Murray, ABC News, 12 Oct. 2025
Home to 44 countries, each with its own culture, geography, language, traditions, and cuisine, Europe is one of the world’s most popular continents to visit and a once-in-a-lifetime trip for many.
—Asia London Palomba, Travel + Leisure, 11 Oct. 2025
See All Example Sentences for lifetime
Recent Examples of Synonyms for lifetime
Noun
-
The researchers investigated which drugs were associated with microbiome changes, whether the amount or duration of use strengthened these impacts, and what happened to a patient when a drug was started or discontinued.—
Angelica Stabile,
FOXNews.com,
16 Oct. 2025
-
Even though it is considered a weak event, likely shorter than normal in duration, its impact is likely to be strongest during the winter season and so plays a large role in the outlooks.—
Doyle Rice,
USA Today,
16 Oct. 2025
Noun
-
Plus, women face unique challenges such as caregiving responsibilities, longer lifespans, greater health care costs, and pay inequity, each of which impact their confidence in financial planning, according to the panelists.—
Dave Smith,
Fortune,
17 Oct. 2025
-
The gene known as FOX03 may lead to having a smaller body size and a longer lifespan overall.—
Sherri Gordon,
Health,
17 Oct. 2025
Noun
-
The successful trial marks the first time a naval variant of the IRIS-T family missile has been launched at sea, paving the way for serial introduction across the fleet.—
Aamir Khollam,
Interesting Engineering,
17 Oct. 2025
-
For the first time in the National League Championship Series, a Dodgers starter had to deal with … a jam.—
Jeff Fletcher,
Oc Register,
17 Oct. 2025
Noun
-
That’s partly because scientists know relatively little about what makes marine life sick.—
JSTOR Daily,
JSTOR Daily,
17 Oct. 2025
-
Join 400,000+ life-long learners exploring and improving with the world’s biggest thinkers.—
Big Think,
Big Think,
17 Oct. 2025
Cite this Entry
“Lifetime.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lifetime. Accessed 20 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share