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Definition of longevity
1a : a long duration of individual life The members of that family are noted for their longevity.b : length of life a study of longevity
2 : long continuance : permanence, durability longevity in office is also an asset — Spencer Parratt
From the M-W Editors
Examples of longevity in a Sentence
His longevity was remarkable considering he had been so sick when he was a child.
Better medical treatment has led to greater longevity.
a study of human longevity
The longevity of a car's tires depends on how the car is driven.
They're trying to increase the product's longevity.
Recent Examples of longevity from the Web
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Many services focused on nonessential items haven’t demonstrated longevity.
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This is not a shortcoming of the book, but an unfortunate byproduct of writing about athletes, who, throughout their careers, are often confronted with the kind of choice Achilles faced: self-annihilating glory or longevity?
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But a local election in Tokyo has put Mr. Abe’s longevity in doubt.
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Carrie Bienkowski, Peapod's chief marketing officer, said longevity has positioned the company to compete against newcomers.
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When the tree’s flesh — a fragrant, fibrous wood with the hue of a sockeye and legendary weatherproof longevity — is cut, pushed, prodded, willed and shaped over many months into a totem, the resulting pole will keep telling its story for centuries.
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Safaii-Waite and Linja also have been researching centenarians around the globe to learn more about diet and longevity.
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Instead, the secret to their longevity lay in the microbes within their gut.
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Their top picks are Miele and SEBO, citing longevity and long warranties.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'longevity'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Did You Know?
As living conditions improve and the science of medicine advances, the longevity of the average American has increased greatly, from about 45 years in 1900 to over 75 years today. But the most impressive human longevity is nothing compared to the 400-year lifespan of an ocean clam found near Iceland, or the 5,000-year lifespan of the bristlecone pine, a tree found in the western U.S. We may use longevity to talk not only about actual lives but also of the useful "life" of things: the life of your car's tires or the shingles on your roof, for example.
Origin and Etymology of longevity
Late Latin longaevitas, from Latin longaevus long-lived, from longus long + aevum age — more at aye
Other Biology Terms
LONGEVITY Defined for English Language Learners
longevity
playDefinition of longevity for English Language Learners
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: long life : the fact of living for many years
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: length of life
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: the length of time that something or someone lasts or continues
Medical Dictionary
longevity
playMedical Definition of longevity
longevities
1: a long duration of individual life attributed his longevity to daily exercise and a healthy diet
2: length of life studies in longevity
Learn More about longevity
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Spanish Central: Translation of longevity Nglish: Translation of longevity for Spanish speakers Britannica English: Translation of longevity for Arabic speakers Britannica.com: Encyclopedia article about longevity
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