Source : Webster's Revised Unabridged Dictionary (1913)

Durable \Du"ra*ble\, a. [L. durabilis, fr. durare to last: cf.
   F. durable. See {Dure}.]
   Able to endure or continue in a particular condition;
   lasting; not perishable or changeable; not wearing out or
   decaying soon; enduring; as, durable cloth; durable
   happiness.

         Riches and honor are with me; yea, durable riches and
         righteousness.                           --Prov. viii.
                                                  18.

         An interest which from its object and grounds must be
         so durable.                              --De Quincey.

   Syn: Lasting; permanent; enduring; firm; stable; continuing;
        constant; persistent. See {Lasting}.

Source : WordNet®

durable
     adj 1: existing for a long time; "hopes for a durable peace"; "a
            long-lasting friendship" [syn: {lasting}, {long-lasting},
             {long-lived}]
     2: serviceable for a long time; "durable denim jeans" [syn: {long-wearing}]
     3: very long lasting; "less durable rocks were gradually worn
        away to form valleys"; "the perdurable granite of the
        ancient Appalachian spine of the continent" [syn: {indestructible},
         {perdurable}, {undestroyable}]