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
Miami native Nikki Vitale, a lifelong Ferrari fan who adored Michael Schumacher, has been to the race every year since its debut in 2022, having previously gone to the Austin race.
—
Luke Smith, New York Times, 3 May 2025
The victory, however, led to a lifelong animosity between the winners.
—Discover Magazine, 3 May 2025
That spirit of camaraderie has led to lifelong friendships, with players going to each other’s weddings — and sometimes funerals.
—Susannah Bryan, Sun Sentinel, 1 May 2025
As a lifelong runner and a health care professional, Flowers prioritizes physical activity, even on busy workdays.
—Alexis Kayser, MSNBC Newsweek, 1 May 2025
See All Example Sentences for lifelong
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Luke Smith, New York Times, 3 May 2025
The victory, however, led to a lifelong animosity between the winners.
—Discover Magazine, 3 May 2025
That spirit of camaraderie has led to lifelong friendships, with players going to each other’s weddings — and sometimes funerals.
—Susannah Bryan, Sun Sentinel, 1 May 2025
As a lifelong runner and a health care professional, Flowers prioritizes physical activity, even on busy workdays.
—Alexis Kayser, MSNBC Newsweek, 1 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 May. 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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