defying expression or description; indefinable yearnings; indescribable beauty; ineffable ecstasy; inexpressible anguish; unspeakable happiness; unutterable contempt; a thing of untellable splendor

[ Syn: indefinable , indescribable , unspeakable , untellable , unutterable ]

too sacred to be uttered; the ineffable name of the Deity

[ Syn: unnameable , unspeakable , unutterable ]