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Synonyms

longevity

American  
[lon-jev-i-tee, lawn-] / lɒnˈdʒɛv ɪ ti, lɔn- /

noun

  1. a long individual life; great duration of individual life.

    Our family is known for its longevity.

  2. the length or duration of life.

    research in human longevity.

  3. length of service, tenure, etc.; seniority.

    promotions based on longevity.


longevity British  
/ lɒnˈdʒɛvɪtɪ, lɒnˈdʒiːvəs /

noun

  1. long life

  2. relatively long duration of employment, service, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • longevous adjective

Etymology

Origin of longevity

From the Latin word longaevitās, dating back to 1605–15. See longevous, -ity

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.

In the defined-contribution system, however, investment risk and longevity risk are all on the individual participant.

From The Wall Street Journal • Apr. 2, 2026

Ingest a small but powerful tab of L.A.-grown protein-rich amino acids optimized to enhance their longevity and fat-burning properties, and let the aminos take you away.

From Los Angeles Times • Apr. 1, 2026

Reflecting on his time at the station, Mills told Newsbeat his success and longevity as a DJ had been down to having "pretended to be on in my bedroom from the age of six".

From BBC • Mar. 30, 2026

Before deciding to pursue an offshore treatment, Chitwood consults his fellow longevity enthusiasts.

From Slate • Mar. 30, 2026

Blood pushed all the way to my extremities—the heart is a powerful muscle, the strongest muscle in the body in terms of longevity.

From "Insurgent" by Veronica Roth