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
Allie Baron, a lifelong LA resident, brought her two sons with her after reaching out to Rosenberg on Instagram.
—
Emma Bowman, NPR, 17 Nov. 2025
The charity also provides lifelong rescue-back-up to adopters, ensuring each dog always has a safety net.
—Alice Gibbs, MSNBC Newsweek, 17 Nov. 2025
From first casts to lifelong fishing obsessions, Bass Pro remains the best place to gear up for every kind of fisherman on your list.
—Ally Jaksen, Outside, 17 Nov. 2025
The star previously told PEOPLE that hosting SNL was a lifelong dream realized.
—Rachel Desantis, PEOPLE, 17 Nov. 2025
See All Example Sentences for lifelong
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Emma Bowman, NPR, 17 Nov. 2025
The charity also provides lifelong rescue-back-up to adopters, ensuring each dog always has a safety net.
—Alice Gibbs, MSNBC Newsweek, 17 Nov. 2025
From first casts to lifelong fishing obsessions, Bass Pro remains the best place to gear up for every kind of fisherman on your list.
—Ally Jaksen, Outside, 17 Nov. 2025
The star previously told PEOPLE that hosting SNL was a lifelong dream realized.
—Rachel Desantis, PEOPLE, 17 Nov. 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 22 Nov. 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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