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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.)

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.

According to the CDC External link, up to 90% of children infected with hepatitis B during infancy develop a lifelong infection, and 25% of them will die prematurely of cirrhosis or liver cancer.

From Barron's

According to the CDC External link, up to 90% of children infected with hepatitis B during infancy develop a lifelong infection, and 25% of them will die prematurely of cirrhosis or liver cancer.

From Barron's

The firm's boss Casper Daugaard said as "lifelong Fifa fans" it wanted to make the game "the most fun, approachable, and global football game ever created".

From BBC

As Hoffman took on more writing jobs for various TV series, she moved to Los Angeles — fulfilling a lifelong dream.

From Los Angeles Times

"Identifying a hereditary mutation allows us to implement lifelong clinical monitoring and early intervention, significantly improving survival rates," he explains.

From Science Daily

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.