inextinguishable Synonyms

unquenchable not decaying stanchless sempiternal reverseless resistless quenchless persistent perpetual permanent perennial perdurable lasting irresoluble tameless timeless made to last non-corroding unslakable unstoppable long-lasting unfading unappeasable never-ending unceasing unfailing undying undestroyable irrepressible irreducible imperishable immortal everlasting eternal enduring endless durable dominating disorderly deathless ceaseless burning impregnable incorruptible indeciduous invulnerable invincible intransmutable insatiate insatiable