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
Using advanced genomic and bioinformatic techniques, the team distinguished microbes that were lifelong companions inside the mammoth, and the ones that showed up later, after death.
—
Pranjal Malewar, New Atlas, 30 Sep. 2025
Her love of the Big Apple is one Spike, a lifelong Brooklyn resident, also shares.
—Collette Reitz, PEOPLE, 30 Sep. 2025
Indeed, the daughter of a man who never learned to read has spent millions of dollars to give away more than 285 million books to children, aiming to inspire a lifelong love of reading.
—Scott Feinberg, HollywoodReporter, 30 Sep. 2025
Vasquez had joined the North Kansas City Police Department in January 2021 as a recruit officer and was promoted to full officer after graduating from the KCPD Regional Police Academy in July 2021, fulfilling a lifelong dream.
—Kansas City Star, 29 Sep. 2025
See All Example Sentences for lifelong
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Pranjal Malewar, New Atlas, 30 Sep. 2025
Her love of the Big Apple is one Spike, a lifelong Brooklyn resident, also shares.
—Collette Reitz, PEOPLE, 30 Sep. 2025
Indeed, the daughter of a man who never learned to read has spent millions of dollars to give away more than 285 million books to children, aiming to inspire a lifelong love of reading.
—Scott Feinberg, HollywoodReporter, 30 Sep. 2025
Vasquez had joined the North Kansas City Police Department in January 2021 as a recruit officer and was promoted to full officer after graduating from the KCPD Regional Police Academy in July 2021, fulfilling a lifelong dream.
—Kansas City Star, 29 Sep. 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 8 Oct. 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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