imperishable Synonyms

abiding enduring steady stable sempiternal renewable persistent perpetual permanent perennial perdurable long-lived lasting timeless uncorruptible not decaying non-corroding nonperishable long-lasting unfading unchanging never-ending unending unceasing undying undestroyable inextinguishable ineradicable eternal endless durable deathless dateless continuing continual constant ceaseless amaranthine everduring everlasting evincible indissoluble indestructible indelible incorruptible imputrescible immutable immortal forever firm