What does the word longevity mean?

Usage examples for longevity

  1. There ought to be in a healthful ambition the stubborn stuff of persevering longevity; it must live on, and hope for the day which comes slow or fast, to all whose labours deserve the goal." – Ernest Maltravers, Complete by Edward Bulwer-Lytton
  2. Say what you will, there is no dash about longevity, or very little. – The Mayor of Troy by Sir Arthur Thomas Quiller-Couch
  3. Dr. Brende's secret of longevity was the crux of all this turmoil- the lever by which Tarrano was raising himself. – Tarrano the Conqueror by Raymond King Cummings