durability

/dərəˈbɪlɪɾi/

/dərəˈbɪlɪti/

Durability is when something lasts a long time. The durability of your favorite pair of hiking boots keeps them from wearing out even when you've walked many miles in them.

Use the noun durability to describe the quality of permanence or strength that keeps something working or holds it together. Your parents' thirty year marriage has durability, and your sturdy old car that keeps on running mile after mile also has durability. The Latin root word, durabilis, means "lasting or permanent," and comes from durare, "to last or harden."

Definitions of durability

1. noun

   permanence by virtue of the power to resist stress or force
   “they advertised the durability of their products”

   synonyms: enduringness, lastingness, strength

   types:

   tensile strength

   the strength of material expressed as the greatest longitudinal stress it can bear without tearing apart

   indestructibility

   the strength to resist destruction

   continuity, persistence

   the property of a continuous and connected period of time

   changelessness

   the property of remaining unchanged

   everlastingness

   the property of lasting forever

   type of:

   permanence, permanency

   the property of being able to exist for an indefinite duration