lifelong
Americanadjective
adjective
Etymology
Origin of lifelong
Explanation
Something lifelong lasts your entire life, or for most of it. A lifelong friendship might have begun in kindergarten, and it continues today. You can describe your grandfather as a lifelong Republican if he's voted for the Republican candidate in every election all through his life. You could also say you have a lifelong hatred of green vegetables if you've refused broccoli and spinach since you first ate solid food. The word lifelong, meaning "continuing for a lifetime," was coined in the nineteenth century.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“I was a lifelong fan,” comic book writer Gail Simone wrote in her social media tribute to Conway.
From Los Angeles Times • Apr. 28, 2026
Naturally, this is the film’s opening scene, intended to communicate that managing Tourette’s is a lifelong endeavor, but that even the stuffiest, most proper royal figurehead can meet the condition with patience and understanding.
From Salon • Apr. 26, 2026
I’m a parent, and my child will require lifelong support, so building a stronger financial future is important.
From MarketWatch • Apr. 24, 2026
They became lifelong friends - and she often wore a Fabergé egg necklace that he had given her.
From BBC • Apr. 23, 2026
Cause Miss Hilly, she in her own jail, but with a lifelong term.
From "The Help" by Kathryn Stockett
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.