Is a good that does not quickly wear out, or more specifically, one that yields utility over time rather than being completely consumed in one use. Items like bricks could be considered perfectly durable goods, because they should theoretically never wear out..
Ability to exist for long without significant deterioration by resisting the effects of heavy use, drying, wetting, heating, freezing, thawing, corrosion, oxidation, volatilization, etc. Assurance or probability that an equipment, machine, or material will have a relatively long continuous useful life, without requiring an inordinate degree of maintenance.
Lless durable rocks were gradually worn away to form valleys
" Anyone who has lost track of time when using a computer knows the propensity to dream, the urge to make dreams come true and the tendency to miss lunch. "
-Tim Berners-Lee