indestructible
in·dest·ruc·tible
adjective
1.
2.
- “less durable rocks were gradually worn away to form valleys”
- “the perdurable granite of the ancient Appalachian spine of the continent”
Origin
From in- + destructible.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.