1
: lasting or continuing through life
a lifelong friendship
2
Examples of lifelong in a Sentence
He had a lifelong love of nature.
Recent Examples on the Web
And our founding, that pursuit of happiness, was not pursued of material goods in a marketplace of things but lifelong learning in a marketplace of ideas.
—
NBC news,
5 July 2026
Oscar-winner Brad Pitt, a lifelong Chiefs fan who grew up in Springfield, Missouri, was there, too.
—
Kansas City Star,
4 July 2026
Anika Noni Rose and Jason Dirden Rose married Dirden in October 2022 in Los Angeles, Brides reported in January 2023, adding the news that Euphoria's Domingo, a lifelong friend of the bride, officiated.
—
Grace Gavilanes,
PEOPLE,
4 July 2026
Edward, who has spent his lifelong federal career at a military base in New York, has little interest in driving to Niagara Falls for its days-long fireworks display, let alone traveling to New York City for its sprawling maritime celebration.
—
Danya Gainor,
CNN Money,
3 July 2026
See All Example Sentences for lifelong
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NBC news,
5 July 2026
Oscar-winner Brad Pitt, a lifelong Chiefs fan who grew up in Springfield, Missouri, was there, too.
—
Kansas City Star,
4 July 2026
Anika Noni Rose and Jason Dirden Rose married Dirden in October 2022 in Los Angeles, Brides reported in January 2023, adding the news that Euphoria's Domingo, a lifelong friend of the bride, officiated.
—
Grace Gavilanes,
PEOPLE,
4 July 2026
Edward, who has spent his lifelong federal career at a military base in New York, has little interest in driving to Niagara Falls for its days-long fireworks display, let alone traveling to New York City for its sprawling maritime celebration.
—
Danya Gainor,
CNN Money,
3 July 2026
See All Example Sentences for lifelong
Cite this Entry
“Lifelong.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lifelong. Accessed 7 Jul. 2026.
Copy CitationKids Definition
lifelong
adjective
life·long
ˈlī-ˌflȯŋ 
: continuing or lasting through life
a lifelong love for trees
a lifelong friendship
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