'lastingness' definitions:

Definition of 'lastingness'

(from WordNet)
noun
Permanence by virtue of the power to resist stress or force; "they advertised the durability of their products" [syn: lastingness, durability, enduringness, strength]

Definition of 'lastingness'

From: GCIDE
  • lastingness \lastingness\ n. permanence by virtue of the power to resist stress or force.
  • Syn: durability, enduringness, strength. [WordNet 1.5]