Synonyms and related words :
amaranthine, deathless, dependable, embalmed, ever-fresh, everlasting, fadeless, faithworthy, frozen, immortal, imperishable, impregnable, indelible, indestructible, ineffaceable, ineradicable, inexpugnable, inextinguishable, invincible, inviolable, invulnerable, irrefragable, never-dying, nonperishable, proven, quenchless, reliable, responsible, straight, sure, tested, to be trusted, tried, tried and true, TRUE, trustable, trustworthy, trusty, undampable, undestroyable, undying, unfading, unfalse, unperfidious, unquenchable, untreacherous