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
The exhibition, then, offers a revealing look not only at Noguchi’s lifelong effort to build a more generous urban world, but also at New York itself—its priorities, its constraints, and its failures of imagination.
—
Terry Nguyen, ARTnews.com, 10 Apr. 2026
Congenital urinary tract conditions can lead to serious complications, including fetal loss and kidney failure in childhood or later in life, and may increase the risk of lifelong kidney disease, according to the National Institute of Diabetes and Digestive and Kidney Diseases.
—Shafiq Najib, ABC News, 10 Apr. 2026
Dacus has been a lifelong Springsteen fan, first meeting the New Jersey icon in 2024.
—Cheyenne Roundtree, Rolling Stone, 10 Apr. 2026
Notably, Muniz pursued his lifelong dream of being a race car driver.
—Samantha Stutsman, PEOPLE, 10 Apr. 2026
See All Example Sentences for lifelong
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Terry Nguyen, ARTnews.com, 10 Apr. 2026
Congenital urinary tract conditions can lead to serious complications, including fetal loss and kidney failure in childhood or later in life, and may increase the risk of lifelong kidney disease, according to the National Institute of Diabetes and Digestive and Kidney Diseases.
—Shafiq Najib, ABC News, 10 Apr. 2026
Dacus has been a lifelong Springsteen fan, first meeting the New Jersey icon in 2024.
—Cheyenne Roundtree, Rolling Stone, 10 Apr. 2026
Notably, Muniz pursued his lifelong dream of being a race car driver.
—Samantha Stutsman, PEOPLE, 10 Apr. 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 19 Apr. 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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