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 McGehee, David Siegel (USA), 2024 A New York writer (Academy Award nominee Naomi Watts) reels in the aftermath of the unexpected death of her lifelong mentor (Academy Award nominee Bill Murray).
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Samantha Bergeson, IndieWire, 12 Sep. 2024
There are different types of AFib, some intermittent or episodic and others more persistent or lifelong.
—Rafle Fernandez, Verywell Health, 10 Sep. 2024
Leaders should commit to lifelong learning and staying abreast of industry trends and new management practices.
—Cheryl Robinson, Forbes, 10 Sep. 2024
The book exposed him to game theory and evolutionary biology, setting him on a lifelong quest to solve the puzzles of human behavior.
—Manvir Singh, The New Yorker, 9 Sep. 2024
See all Example Sentences for lifelong 
Samantha Bergeson, IndieWire, 12 Sep. 2024
There are different types of AFib, some intermittent or episodic and others more persistent or lifelong.
—Rafle Fernandez, Verywell Health, 10 Sep. 2024
Leaders should commit to lifelong learning and staying abreast of industry trends and new management practices.
—Cheryl Robinson, Forbes, 10 Sep. 2024
The book exposed him to game theory and evolutionary biology, setting him on a lifelong quest to solve the puzzles of human behavior.
—Manvir Singh, The New Yorker, 9 Sep. 2024
See all Example Sentences for lifelong
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'lifelong.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near lifelong
Cite this Entry
“Lifelong.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lifelong. Accessed 18 Sep. 2024.
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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