En·dur·ing, a. Lasting; durable; long-suffering; as, an enduring disposition. “A better and enduring substance.” --Heb. x. 34. -- En*dur*ing*ly, adv. --T. Arnold. -- En*dur*ing*ness, n.
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enduringness
n : permanence by virtue of the power to resist stress or force;
"they advertised the durability of their products" [syn:
lastingness, durability, strength]