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.
Adam Hayes is a lifelong golf-lover and for a decade has been the caddie for pro golfer Jon Rahm.
From The Wall Street Journal • Apr. 18, 2026
To better understand lifelong learning, the team examined cognitive enrichment at three stages of life.
From Science Daily • Apr. 15, 2026
My lifelong commitment to social justice and my eternal skepticism of power and avarice comes from what I learned growing up at St. Boniface in Anaheim.
From Los Angeles Times • Apr. 14, 2026
It is a lifelong condition with no cure, and many people contract it in childhood through close contact with loved ones.
From BBC • Apr. 12, 2026
At least from the outside, it seemed he was grasping for an option that avoided the risk of a longer sentence, and the lifelong stigma of conviction.
From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel
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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.