inextinguishable
inex·tin·guis·hable
adjective
1.
difficult or impossible to extinguish
- “an inextinguishable flame”
- “an inextinguishable faith”
Origin
From in- + extinguishable.
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.