n., pl., -ties.
- Long life; great duration of life: His longevity vexed his heirs.
- Length or duration of life: comparing the longevities of the two peoples.
- Long duration or continuance, as in an occupation: had unusual longevity in the company; her longevity as a star.
[Late Latin longaevitās, from Latin longaevus, ancient : longus, long + aevum, age.]
longevous lon·ge'vous (-jē'vəs) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.