unutterable

from WordNet (r) 3.0 (2006)
unutterable
    adj 1: too sacred to be uttered; "the ineffable name of the
           Deity" [syn: {ineffable}, {unnameable}, {unspeakable},
           {unutterable}]
    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},
       {unutterable}]
    3: very difficult to pronounce correctly; "an unpronounceable
       foreign word"; "unutterable consonant clusters" [syn:
       {unpronounceable}, {unutterable}]
    
from The Collaborative International Dictionary of English v.0.48
Unutterable \Un*ut"ter*a*ble\, a.
   Not utterable; incapable of being spoken or voiced;
   inexpressible; ineffable; unspeakable; as, unutterable
   anguish.
   [1913 Webster]

         Sighed and looked unutterable things.    --Thomson.
   [1913 Webster] -- {Un*ut"ter*a*ble*ness}, n. --
   {Un*ut"ter*a*bly}, adv.
   [1913 Webster]
    
from Moby Thesaurus II by Grady Ward, 1.0
72 Moby Thesaurus words for "unutterable":
      arcane, awesome, awful, cabalistic, censored, classified, close,
      closed, concealed, cryptic, dark, divine, enigmatic, esoteric,
      heavenly, hermetic, hidden, holy, hush-hush, incommunicable,
      inconceivable, incredible, indefinable, indescribable, ineffable,
      inenarrable, inexpressible, innominable, inviolable, inviolate,
      latent, marvelous, mysterious, noncommunicable, numinous, occult,
      prodigious, religious, restricted, sacred, sacrosanct, secret,
      smothered, spiritual, stifled, suppressed, top secret, ulterior,
      unbelievable, unbreatheable, undefinable, under security,
      under wraps, undisclosable, undisclosed, undivulgable, undivulged,
      unimaginable, unmentionable, unnameable, unrevealable, unrevealed,
      unspeakable, unspoken, untellable, untold, untouchable, unuttered,
      unwhisperable, venerable, wonderful, wondrous

    

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