Origin: Latin suffix -able
Unutterable has 4 different meanings across 1 category:
too sacred to be uttered
"the ineffable name of the Deity"
defying expression or description
"indefinable yearnings"
"indescribable beauty"
"ineffable ecstasy"
"inexpressible anguish"
"unspeakable happiness"
"unutterable contempt"
"a thing of untellable splendor"
very difficult to pronounce correctly
"an unpronounceable foreign word"
"unutterable consonant clusters"
Not utterable; incapable of being spoken or voiced
The word unutterable comes from the prefix un-, meaning "not," combined with utterable. It literally describes something that cannot be spoken or expressed in words.