Longevity Definition & Meaning | Britannica Dictionary (original) (raw)

Britannica Dictionary definition of LONGEVITY

[noncount]

1

a

:

long life

:

the fact of living for many years

• His longevity was remarkable considering he had been so sick when he was a child.
• The members of that family are famous for their longevity. [=for living to be very old]

b

:

length of life

• Better medical treatment has led to greater longevity.
• a study of human longevity

2

:

the length of time that something or someone lasts or continues

• The longevity of a car's tires depends on how the car is driven.
• She's a talented athlete, but many people have doubts about her longevity. [=about how long her athletic career will last]
• They're trying to increase the product's longevity.