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

Bonnie Patterson, a lifelong Ridgecrest resident, stopped at the shop to get gas earlier that day after seeing police and news vans in town. Alexa Díaz,, "‘Alcohol was just flooding the aisle’: Ridgecrest market has lots to clean after quake," 5 July 2019 That failure resulted in brain injuries to the baby that have lifelong effects, according to the lawsuit. Meredith Cohn,, "Baltimore jury's record $229 million malpractice verdict may change a life — but likely not the system," 4 July 2019 Dietz, a lifelong Michigander, was born in Detroit and grew up in Bloomfield Hills. Ann Zaniewski, Detroit Free Press, "Reporter Kevin Dietz's supporters push back at his departure from WDIV-TV," 2 July 2019 Green, who has had a lifelong passion for travel, started going overseas with her parents as a teenager., "Lyndhurst philanthropist Roe Green donates $14 million to University Hospitals’ global health efforts," 1 July 2019 The endless therapy, the what-color-is-your-parachute quizzes, the courage-to-heal to-do lists, the lifelong self-examination, the bottomless well. Jill Lepore, The New Yorker, "The Lingering of Loss," 1 July 2019 These were children who grew up cut loose from the web of cousins and great-aunts and family doctors and lifelong neighbors who had traditionally suggested and enforced the society’s values. Mary Spencer, National Review, "What Joan Didion Saw," 29 June 2019 Making a bed the proper way is a lifelong skill that everyone should know. Lexie Sachs, Good Housekeeping, "How to Make a Bed Like a Professional, According to Bedding Experts," 28 June 2019 That connection had been the lifeblood of his tenure at Apple, and continuing at the company must have been like inhabiting a home after burying a lifelong spouse. Steven Levy, WIRED, "A Reminiscence of Jony Ive’s Design Legacy," 27 June 2019

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

8 Jul 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

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).


to form ideas or theories about something

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