imperishable Synonyms

abiding enduring uncorruptible timeless steady stable sempiternal renewable persistent perpetual permanent perennial perdurable long-lived undestroyable undying unceasing not decaying non-corroding undiminished nonperishable heavy-duty long-lasting unfading eonian unquenchable unchanging never-ending unending lasting irresoluble inextirpable everlasting everduring eternal endless durable deathless dateless continuing continual constant ceaseless amaranthine evincible firm inextinguishable ineradicable ineffaceable indissolvable