Longevity Definition

lŏn-jĕvĭ-tē, lôn-
longevities
noun
longevities
Long life; great span of life.
Webster's New World
The length or duration of a life or lives.
Webster's New World
Long duration or continuance, as in an occupation.
Had unusual longevity in the company; her longevity as a star.
American Heritage
Length of time spent in service, employment, etc.
Webster's New World

The quality of being long-lasting, especially of life.

Grandfather had incredible longevity "” he lived to be 105 years old!
Wiktionary

Other Word Forms of Longevity

Noun

Singular:
longevity
Plural:
longevities

Origin of Longevity

  • Late Latin longaevitās from Latin longaevus ancient longus long del-1 in Indo-European roots aevum age aiw- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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