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
The result: truly actionable meaning from raw metrics—a data compass each person can use to steer lifelong wellness.
—
Gaurav Tewari, Forbes.com, 27 May 2025
These participants, many of whom face lifelong systemic barriers, celebrated something deeper at their graduation: personal breakthroughs, lasting friendships, and the dignity of being seen.
—Jessica Tzikas, Sun Sentinel, 27 May 2025
In fact, the run-walk method can be a lifelong practice.
—The New York Times, San Diego Union-Tribune, 27 May 2025
The lifelong National Rifle Association member is a strong supporter of Second Amendment rights.
—Center Square, The Washington Examiner, 24 May 2025
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Gaurav Tewari, Forbes.com, 27 May 2025
These participants, many of whom face lifelong systemic barriers, celebrated something deeper at their graduation: personal breakthroughs, lasting friendships, and the dignity of being seen.
—Jessica Tzikas, Sun Sentinel, 27 May 2025
In fact, the run-walk method can be a lifelong practice.
—The New York Times, San Diego Union-Tribune, 27 May 2025
The lifelong National Rifle Association member is a strong supporter of Second Amendment rights.
—Center Square, The Washington Examiner, 24 May 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 7 Jun. 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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