First Known Use: 1615
Dictionary
longevity
noun lon·gev·i·ty \län-ˈje-və-tē, lȯn-\
: long life : the fact of living for many years
: length of life
: the length of time that something or someone lasts or continues
Full Definition of LONGEVITY
1
a : a long duration of individual life b : length of life <a study of longevity>
2
: long continuance : permanence, durability
See longevity defined for English-language learners
See longevity defined for kids
ADVERTISEMENT
Origin of LONGEVITY
Late Latin longaevitas, from Latin longaevus long-lived, from longus long + aevum age — more at aye
Other Biology Terms
Medical Dictionary
longevity
noun lon·gev·i·ty \län-ˈjev-ət-ē, lȯn-\
plural lon·gev·i·ties
Medical Definition of LONGEVITY
1
: a long duration of individual life <attributed his longevity to daily exercise and a healthy diet>
2
: length of life <studies in longevity>
Learn More About LONGEVITY
Browse
Next Word in the Dictionary: longevity payPrevious Word in the Dictionary: longevalAll Words Near: longevity
ADVERTISEMENT
Seen & Heard
What made you want to look up longevity? Please tell us where you read or heard it (including the quote, if possible).