Un*ut"ter*a*ble (?), a.

Not utterable; incapable of being spoken or voiced; inexpressible; ineffable; unspeakable; as, unutterable anguish.

Sighed and looked unutterable things. Thomson.

-- Un*ut"ter*a*ble*ness, n. -- Un*ut"ter*a*bly, adv.

 

© Webster 1913.