life·​long | \ˈlīf-ˌlȯŋ \

Definition of lifelong 

1 : lasting or continuing through life a lifelong friendship

Examples of lifelong in a Sentence

He had a lifelong love of nature.

Recent Examples on the Web

My relationships with my friends are lifelong, solid and unbreakable. Becca Kufrin,, "Bachelorette Becca Kufrin Explains Her Frustration Over Colton's Past with Tia: 'Can I Trust Him?'," 5 June 2018 Ahmet Ardic -- an electrical engineer by profession, whose lifelong passion has been researching Turkic languages, linguistics and etymological roots -- stumbled upon a copy of the Voynich manuscript online four years ago. Jane Bracher, CNN, "The Voynich manuscript: Will this medieval mystery ever be solved?," 15 June 2018 John said weather and HAM radios were Jim’s lifelong passions. USA TODAY, "Storm chaser writes his own obituary, wants ashes shot into tornado: 'That'll be fun!!!!'," 24 May 2018 The result is OTOjOY, which allows him to indulge a lifelong passion for music and his entrepreneur streak. Georgann Yara, azcentral, "OTOjOY’s work, success is music to the ears of those with hearing loss," 16 May 2018 For Anderson, it's found in her lifelong passion for movement and adventure. Kate Branch, Vogue, "The Original Hula Hoop Girl, Now 94, Is Still At It," 25 Apr. 2018 For me, gaming has been a lifelong passion: One swing over a pit of crocodiles in Pitfall! played on a hand-me-down Atari and I was hooked. Nicole Fawcette,, "Why This Xbox Exec Wants More Women In Gaming," 20 Mar. 2018 Fortunately, the golf courses had a supporter in Menino, a lifelong Hyde Park resident who lived near George Wright. Ben Volin,, "Restoration has made George Wright and Franklin Park golfing jewels," 3 July 2018 The duo were photographed giggling like lifelong BFFs all throughout the event. Kayleigh Roberts, Marie Claire, "The Queen Canceled a Public Appearance This Morning Because She's Sick," 28 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lifelong.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of lifelong

1613, in the meaning defined at sense 1

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Dictionary Entries near lifelong



life list




life mask

Statistics for lifelong

Last Updated

11 Nov 2018

Look-up Popularity

Time Traveler for lifelong

The first known use of lifelong was in 1613

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More Definitions for lifelong



English Language Learners Definition of lifelong

: continuing or lasting through a person's life


life·​long | \ˈlīf-ˌlȯŋ \

Kids Definition of lifelong

: continuing through life a lifelong friendship

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Comments on lifelong

What made you want to look up lifelong? Please tell us where you read or heard it (including the quote, if possible).


by force of circumstances

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