Synonyms: indestructible
Definition: not easily destroyed
Similar words: undestroyable
Definition: not capable of being destroyed
Synonyms: indestructible, perdurable, undestroyable, durable
Definition: very long lasting
Usage: less durable rocks were gradually worn away to form valleys; the perdurable granite of the ancient Appalachian spine of the continent
Similar words: imperishable
Definition: not perishable