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
Scott Talley is a native Detroiter, a proud product of Detroit Public Schools and a lifelong lover of Detroit culture in its diverse forms.
—
Scott Talley, Freep.com, 13 July 2025
And for some of these diseases that provide long-term or lifelong immunity after exposure, a single titer is all that is needed to know if protection is still intact.
—Daryl Austin, USA Today, 12 July 2025
Joe Murphy is a native and lifelong Floridian who lives in the southern Nature Coast of Florida.
—Joe Murphy, The Orlando Sentinel, 12 July 2025
Matlock worked with Iggy Pop and Johnny Thunders, while lifelong friends Jones and Cook attempted to carry on together as the Professionals, but struggled to find relevance in the MTV era.
—Andy Greene, Rolling Stone, 12 July 2025
See All Example Sentences for lifelong
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Scott Talley, Freep.com, 13 July 2025
And for some of these diseases that provide long-term or lifelong immunity after exposure, a single titer is all that is needed to know if protection is still intact.
—Daryl Austin, USA Today, 12 July 2025
Joe Murphy is a native and lifelong Floridian who lives in the southern Nature Coast of Florida.
—Joe Murphy, The Orlando Sentinel, 12 July 2025
Matlock worked with Iggy Pop and Johnny Thunders, while lifelong friends Jones and Cook attempted to carry on together as the Professionals, but struggled to find relevance in the MTV era.
—Andy Greene, Rolling Stone, 12 July 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 19 Jul. 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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