the GNU version of the Collaborative International Dictionary of English
n. Durability; lastingness.
The Century Dictionary and Cyclopedia
n. The quality of being perdurable; prolonged durableness; everlastingness.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the property of being extremely durable
Word Usage
"(Some of Rosen's own prose owes much of its own perdurability to its essayistic qualities, that is, to its partisanship and unfairness: one example might be Rosen's dislike of Mahler.)"