Adjective unutterable has 3 senses
- ineffable, unnameable, unspeakable, unutterable - too sacred to be uttered; "the ineffable name of the Deity"
Antonym: profane (indirect, via sacred)
- indefinable, indescribable, ineffable, unspeakable, untellable, unutterable - defying expression or description; "indefinable yearnings"; "indescribable beauty"; "ineffable ecstasy"; "inexpressible anguish"; "unspeakable happiness"; "unutterable contempt"; "a thing of untellable splendor"
Antonym: expressible (indirect, via inexpressible)
- unpronounceable, unutterable - very difficult to pronounce correctly; "an unpronounceable foreign word"; "unutterable consonant clusters"
Antonyms: communicative, communicatory (indirect, via uncommunicative)
,