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
Encourage employees to embrace lifelong learning by investing in comprehensive training programs.
—
Mo Hamzian, Forbes, 27 Dec. 2024
These volunteers check on the health of their local ecosystems in vital ways, and many find lifelong human friendships, too.
—Erik Pedersen, Orange County Register, 27 Dec. 2024
Without this funding, the library’s core functions — bolstering early childhood literacy, educational attainment, career support and lifelong learning into adulthood — are impaired.
—Connor Giffin, The Courier-Journal, 26 Dec. 2024
Tell him about your lifelong or in-the-moment problems at dearjames@theatlantic.com.
Don’t want to miss a single column?
—James Parker, The Atlantic, 24 Dec. 2024
See all Example Sentences for lifelong 
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Mo Hamzian, Forbes, 27 Dec. 2024
These volunteers check on the health of their local ecosystems in vital ways, and many find lifelong human friendships, too.
—Erik Pedersen, Orange County Register, 27 Dec. 2024
Without this funding, the library’s core functions — bolstering early childhood literacy, educational attainment, career support and lifelong learning into adulthood — are impaired.
—Connor Giffin, The Courier-Journal, 26 Dec. 2024
Tell him about your lifelong or in-the-moment problems at dearjames@theatlantic.com.
Don’t want to miss a single column?
—James Parker, The Atlantic, 24 Dec. 2024
See all Example Sentences for lifelong
Dictionary Entries Near lifelong
Cite this Entry
“Lifelong.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lifelong. Accessed 2 Jan. 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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