inextinguishable Synonyms

unquenchable not decaying timeless sempiternal quenchless persistent perpetual permanent perennial perdurable lasting irresoluble undestroyable undying made to last non-corroding unslakable unstoppable long-lasting unfading unappeasable never-ending unceasing unfailing irrepressible irreducible invulnerable immortal everlasting eternal enduring durable dominating disorderly deathless ceaseless burning imperishable impregnable incorruptible invincible insatiate insatiable ineradicable indomitable indissolvable indissoluble indestructible indelible indefeasible