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Synonyms

lifelong

American  
[lahyf-lawng, -long] / ˈlaɪfˌlɔŋ, -ˌlɒŋ /

adjective

  1. lasting or continuing through all or much of one's life.

    lifelong regret.


lifelong British  
/ ˈlaɪfˌlɒŋ /

adjective

  1. lasting for or as if for a lifetime

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of lifelong

1750–60; life + long 1 (adv.)

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.

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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