English Reference
noun

longevity

n.
US /ɫɔnˈdʒɛvəti/ UK /ləndʒˈɛvɪti/ longevi·ty UK spelling longevities

  1. 01 C1 Advanced Formal

    a long life for a person, animal, or plant.

    the length or duration of an individual's life, specifically referring to a long lifespan.

    Simple

    The island is famous for the longevity of its people, many of whom live past one hundred.

    In context

    Medical researchers are investigating whether specific genetic markers contribute more to human longevity than environmental factors like diet and exercise.

    Usage

    Often used with the preposition 'of'.

  2. 02 C1 Advanced Formal

    the ability of something to last or stay successful for many years.

    the capacity of an object, career, or institution to persist or remain functional over an extended period.

    Simple

    The longevity of the band's career is impressive in such a fast-changing industry.

    In context

    The architect prioritised structural longevity, selecting materials that could withstand the corrosive effects of the coastal salt air for decades.

    Usage

    Commonly used in business and engineering contexts to describe success or durability.

    transienceshort livedness

It also meant bodies could be buried there, an important factor for archaeology because of the longevity of funerary inscriptions.

JSTOR Daily· 17 Aug 2026

Just a couple of hours of strength training each week could have surprisingly powerful effects on longevity.

ScienceDaily· 10 Aug 2026

Early 17th century, learned borrowing from Latin longaevitās, from longaevus (“ancient, aged”) + -itās. The first part is related to English long and this association led to the alternative pronunciation with /ŋ/.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Frequent
Updated