undestroyable

listen to the pronunciation of undestroyable
Английский Язык - Английский Язык
Not able to be destroyed; indestructible
{a} not to be destroyed, not wasted, safe
not capable of being destroyed
Indestructible
very long lasting; "less durable rocks were gradually worn away to form valleys"; "the perdurable granite of the ancient Appalachian spine of the continent"