Longevity

//lɒnˈd͡ʒɛv.ɪ.ti// noun

noun ·Moderate ·College level

Definitions

Noun
  1. 1
    The quality of being long-lasting, especially of life. countable, uncountable

    "Grandpa had incredible longevity: he lived to be 105 years old!"

  2. 2
    the property of being long-lived wordnet
  3. 3
    Duration over time; persistence. countable, uncountable

    "A ‘postdating’ is an example of the use of a lexical item at a later date than currently recorded and these are important in establishing the longevity of use of a term and whether or not it has become obsolete."

  4. 4
    duration of service wordnet

Example

More examples

"The carp's longevity is unmolested by the turmoil of the millipede."

Etymology

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/.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.