unutterable
- s too sacred to be uttered
- s defying expression or description
unutterable contempt - s very difficult to pronounce correctly
unutterable consonant clusters
- It would be fitting if the sun never shone and the grass withered, because this is a place of unutterable terror.
- Many miners spend their lives crawling on their hands and knees in tunnels sometimes no higher than a yardstick, wading through mud and water, burrowing through unutterable darkness.
- NG: I think I've actually dodged several bullets, though, having read scripts of unutterable badness.