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
Our strategy has always been to leverage new content extensions as entry points for the brand and as an opportunity to build lifelong fans.
—
Jesse Whittock, Deadline, 20 June 2025
That lifelong partnership was born aboard a cruise ship in 1959; Fischbacher was a steward and a part-time magician on the Bremen, while Roy Horn, an animal lover who would later smuggle a cheetah on board for a magic act, worked as a bellboy.
—Katie Schultz, Architectural Digest, 20 June 2025
The school systems and their respective high school counselors that have the power to and the role of guiding students into careers and lifelong decisions have metrics based around college placements and therefore rarely point a student into the trades.
—Jennifer Castenson, Forbes.com, 19 June 2025
This is partly the result of a lifelong fascination with the country, and partly an immigrant’s attempt to better understand his new home, with all of its quirks and messy contradictions.
—Jack Barlow, Christian Science Monitor, 18 June 2025
See All Example Sentences for lifelong
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Jesse Whittock, Deadline, 20 June 2025
That lifelong partnership was born aboard a cruise ship in 1959; Fischbacher was a steward and a part-time magician on the Bremen, while Roy Horn, an animal lover who would later smuggle a cheetah on board for a magic act, worked as a bellboy.
—Katie Schultz, Architectural Digest, 20 June 2025
The school systems and their respective high school counselors that have the power to and the role of guiding students into careers and lifelong decisions have metrics based around college placements and therefore rarely point a student into the trades.
—Jennifer Castenson, Forbes.com, 19 June 2025
This is partly the result of a lifelong fascination with the country, and partly an immigrant’s attempt to better understand his new home, with all of its quirks and messy contradictions.
—Jack Barlow, Christian Science Monitor, 18 June 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 Jun. 2025.
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lifelong
adjective
life·long
ˈlī-ˌflȯŋ 
: continuing or lasting through life
a lifelong love for trees
a lifelong friendship
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