from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Long life; great duration of life: His longevity vexed his heirs.
- n. Length or duration of life: comparing the longevities of the two peoples.
- n. Long duration or continuance, as in an occupation: had unusual longevity in the company; her longevity as a star.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The quality of being long-lasting, especially of life
from the GNU version of the Collaborative International Dictionary of English
- n. Long duration of life; length of life.
from The Century Dictionary and Cyclopedia
- n. Long life; unusually prolonged life or existence.
- n. Length or duration of life; term of existence: as, statistics of longevity; the average longevity of the race.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the property of being long-lived
- n. duration of service
Late Latin longaevitās, from Latin longaevus, ancient : longus, long; see del-1 in Indo-European roots + aevum, age; see aiw- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)