life·​long | \ ˈlīf-ˌlȯŋ How to pronounce lifelong (audio) \

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

An attenuated virus is one that has been weakened to a form which is not hazardous to health but remains potent enough to provoke the immune system into providing lifelong cover against real infection. The Economist, "Polio has been reported in Papua New Guinea," 28 June 2018 The duo chatted about everything from Jenner’s lifelong love of horses to her new gig as the ambassador of Longchamp. Dan Barna, Glamour, "Kendall Jenner Just Opened Up About Her Friend Hailey Baldwin's Engagement," 7 Sep. 2018 For four years now, his lifelong love has been confined to a hospital bed and wheelchair, idled by multiple sclerosis. Maria Panaritis,, "This Jersey dad called my phone in Conshohocken. He left me thinking that tech is dividing us, and stripping us of empathy, too | Maria Panaritis," 7 July 2018 Joanne was married to Tony, her lifelong love and best friend for 56 years. Hartford Courant,, "Joanne E. Gallicchio," 24 June 2018 Here’s a roundup of books recommended by local librarians to help inspire a lifelong love or reading. Randy Blaser,, "50 years after LBJ's landmark civil rights legislation, America still struggles with prejudice, injustice," 14 June 2018 So begins our story and Mandrick’s lifelong love of ornithology. Helene Stapinski, New York Times, "Jungle Mold, Ornithology and Lawn Care: 3 New Novels Find Hilarity in Unexpected Places," 1 June 2018 John Porter had a lifelong love of horses and polo, and was a regular attendee of the Grand National Steeple Chase and Maryland Hunt Cup races. Frederick N. Rasmussen,, "John C. Porter Sr., retired property manager, dies," 7 May 2018 But even a last-place finish does nothing to threaten his lifelong love for his hobby, a love that borders on the romantic. Ryan Smith, Chicago Reader, "The First Family of pinball: Meet the local wizards behind the game's huge resurgence," 3 May 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

13 May 2019

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 How to pronounce lifelong (audio) \

Kids Definition of lifelong

: continuing through life a lifelong friendship

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More from Merriam-Webster on lifelong

Rhyming Dictionary: Words that rhyme with lifelong

Thesaurus: All synonyms and antonyms for lifelong

Spanish Central: Translation of lifelong

Nglish: Translation of lifelong for Spanish Speakers

Britannica English: Translation of lifelong for Arabic Speakers

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