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
For lifelong Panthers fans, it’s been a long time coming.
—
Kaitlyn Pohly, Miami Herald, 8 June 2025
Earlier this week, Pope Leo XIV signed a baseball at the Vatican, a nod to his Chicago roots and lifelong support for the White Sox.
—Jasmine Baehr, FOXNews.com, 7 June 2025
Because of your health problems, this will mean making changes that will be lifelong.
—Jeanne Phillips, Mercury News, 6 June 2025
Vi at La Jolla Village is right in the center of all that makes San Diego so desirable—from the natural beauty of the Pacific Ocean to cultural attractions like the La Jolla Playhouse and educational opportunities like classes at UCSD, which promotes lifelong learning.
—Advertorial, San Diego Union-Tribune, 6 June 2025
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Kaitlyn Pohly, Miami Herald, 8 June 2025
Earlier this week, Pope Leo XIV signed a baseball at the Vatican, a nod to his Chicago roots and lifelong support for the White Sox.
—Jasmine Baehr, FOXNews.com, 7 June 2025
Because of your health problems, this will mean making changes that will be lifelong.
—Jeanne Phillips, Mercury News, 6 June 2025
Vi at La Jolla Village is right in the center of all that makes San Diego so desirable—from the natural beauty of the Pacific Ocean to cultural attractions like the La Jolla Playhouse and educational opportunities like classes at UCSD, which promotes lifelong learning.
—Advertorial, San Diego Union-Tribune, 6 June 2025
See All Example Sentences for lifelong
Cite this Entry
“Lifelong.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lifelong. Accessed 12 Jun. 2025.
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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Merriam-Webster unabridged
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