undistroyable
1. [ adjective ] very long lasting
Synonyms: indestructible perdurable undestroyable durable
Examples:

"less durable rocks were gradually worn away to form valleys" "the perdurable granite of the ancient Appalachian spine of the continent"

Related terms: imperishable
Similar spelling:   undestroyable
  undisputable
  unadjustable
  unmitigable
  undiscoverable
  undistributed