Exact Match:
- inextinguishable
- difficult or impossible to extinguish; "an inextinguishable flame"; "an inextinguishable faith"
Synonyms:
- deathless,
- enduring,
- eternal,
- everlasting,
- immortal,
- imperishable,
- impregnable,
- incorruptible,
- indelible,
- indestructible,
- ineffaceable,
- ineradicable,
- inexpugnable,
- invincible,
- invulnerable,
- irrefragable,
- irrepressible,
- nonperishable,
- quenchless,
- undampable,
- undestroyable,
- undying,
- unquenchable