The definition of longevity is the amount of time your life or your term of service lasts.(noun)
An example of longevity is the amount of time you work in a given career.
See longevity in Webster's New World College Dictionary
Origin: L longaevitas < longaevus: see longevous
See longevity in American Heritage Dictionary 4
noun pl. lon·gev·i·ties
Origin: Late Latin longaevitās
Origin: , from Latin longaevus, ancient
Origin: : longus, long; see del-1 in Indo-European roots
Origin: + aevum, age; see aiw- in Indo-European roots.
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