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
While the handling of the outburst by BAFTA and the BBC wasn’t ideal for anyone involved, the outrage and fallout from the event shows that Davidson’s lifelong mission to educate the wider population about Tourette syndrome is ongoing, and so important.
—
Katie Walsh, Boston Herald, 24 Apr. 2026
An exhibition curated by Barry Bergdoll and Martin Bressani at the Bard Graduate Center links those three eras, giving a central place to Viollet-le-Duc’s lifelong fascination with moody renderings, exploded perspectives, meticulous elevations, and analytical diagrams.
—Justin Davidson, Curbed, 23 Apr. 2026
The premise, for anyone who needs reminding, is an odd couple lifelong friendship that survives domineering mothers, long distances, polar opposite personalities, men and misunderstandings, all until a terminal disease does the separating that a long list of previous plot devices couldn’t.
—Greg Evans, Deadline, 22 Apr. 2026
Prior to her father's death in 1952, Princess Elizabeth lived a relatively quiet life, spending her teen years under the tutelage of her parents and fostering some of the interests that would become lifelong passions.
—Stephanie Sengwe, PEOPLE, 21 Apr. 2026
See All Example Sentences for lifelong
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Katie Walsh, Boston Herald, 24 Apr. 2026
An exhibition curated by Barry Bergdoll and Martin Bressani at the Bard Graduate Center links those three eras, giving a central place to Viollet-le-Duc’s lifelong fascination with moody renderings, exploded perspectives, meticulous elevations, and analytical diagrams.
—Justin Davidson, Curbed, 23 Apr. 2026
The premise, for anyone who needs reminding, is an odd couple lifelong friendship that survives domineering mothers, long distances, polar opposite personalities, men and misunderstandings, all until a terminal disease does the separating that a long list of previous plot devices couldn’t.
—Greg Evans, Deadline, 22 Apr. 2026
Prior to her father's death in 1952, Princess Elizabeth lived a relatively quiet life, spending her teen years under the tutelage of her parents and fostering some of the interests that would become lifelong passions.
—Stephanie Sengwe, PEOPLE, 21 Apr. 2026
See All Example Sentences for lifelong
Cite this Entry
“Lifelong.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lifelong. Accessed 27 Apr. 2026.
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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