unutterable


unutterable (http://definr.com/unutterable)

     adj 1: too sacred to be uttered; "the ineffable name of the Deity"
            [syn: ineffable, unnameable, unspeakable]
     2: defying expression or description; "indefinable yearnings";
        "indescribable beauty"; "ineffable ecstasy";
        "inexpressible anguish"; "unspeakable happiness";
        "unutterable contempt"; "a thing of untellable splendor"
        [syn: indefinable, indescribable, ineffable, unspeakable,
         untellable]
     3: very difficult to pronounce correctly; "an unpronounceable
        foreign word"; "unutterable consonant clusters" [syn: unpronounceable]