1.
[syn: ineffably, indescribably, unutterably, unspeakably]
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]
WordNet (r) 3.0 (2006):
unutterably
adv 1: to an inexpressible degree; "she was looking very young
tonight, and, as usual, indescribably beautiful, in a
simple strapless dress of a green and white silky cotton"
[syn: ineffably, indescribably, unutterably,
unspeakably]