undestroyable
un·dest·royable
adjective
1.
- “less durable rocks were gradually worn away to form valleys”
- “the perdurable granite of the ancient Appalachian spine of the continent”
Origin
From un- + destroyable.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.