| a. | 1. | Not speakable; incapable of being uttered or adequately described; inexpressible; unutterable; ineffable; |
| Adj. | 1. | unspeakable - defying expression or description; "indefinable yearnings"; "indescribable beauty"; "ineffable ecstasy"; "inexpressible anguish"; "unspeakable happiness"; "unutterable contempt"; "a thing of untellable splendor" |
| 2. | unspeakable - exceptionally bad or displeasing; "atrocious taste"; "abominable workmanship"; "an awful voice"; "dreadful manners"; "a painful performance"; "terrible handwriting"; "an unspeakable odor came sweeping into the room" | |
| 3. | unspeakable - too sacred to be uttered; "the ineffable name of the Deity" |