What does "Unspeakable" mean?
(a.) Not speakable; incapable of being uttered or adequately described; inexpressible; unutterable; ineffable; as, unspeakable grief or rage
bad, ineffable, awful, sacred, atrocious, terrible, abominable, dreadful, painful, indescribable, indefinable, unutterable, inexpressible, unnameable, untellable, unexpressible
Example: "Unspeakable happiness" Example: "An unspeakable odor came sweeping into the room"