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
New signing Alvaro Carreras decided to spend part of his break in the northern city of Ferrol with his family and group of lifelong friends.
—
Guillermo Rai, New York Times, 25 July 2025
Here is the story of Kyle McDonough, the lifelong friend who inspired an iconic character.
—Amaya Nichole, Time, 25 July 2025
Jerry Matsumura, a lifelong Esparto resident and father of Tammy and Reiko, died in 2015.
—Daniel Lempres, Sacbee.com, 25 July 2025
The victims were close friends and roommates, with Xana and Ethan in a relationship and Kaylee and Madison lifelong best friends.
—Amanda Castro, MSNBC Newsweek, 23 July 2025
See All Example Sentences for lifelong
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Guillermo Rai, New York Times, 25 July 2025
Here is the story of Kyle McDonough, the lifelong friend who inspired an iconic character.
—Amaya Nichole, Time, 25 July 2025
Jerry Matsumura, a lifelong Esparto resident and father of Tammy and Reiko, died in 2015.
—Daniel Lempres, Sacbee.com, 25 July 2025
The victims were close friends and roommates, with Xana and Ethan in a relationship and Kaylee and Madison lifelong best friends.
—Amanda Castro, MSNBC Newsweek, 23 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 29 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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