Undescribable [adjective]

That is why Plato193 says of (Unity) that it is unspeakable and undescribable.

The sins of this system are enormous and undescribable; but, thank God!

On such a night, Grace, there is undescribable peace, and yet these influences pass away and regrets press upon one.

Every night will be for it a winter, a winter of undescribable frost, which it could only endure in the form of spores.

But now quiet, save for an undescribable, whispering overtone that seemed to permeate the air.

Death in this form, death from the hand of a brother, was thought upon with undescribable repugnance.

My act was in some sort an act of insanity; but how undescribable are the feelings with which I looked back upon it!

Without that undescribable configuration which constitutes beauty, his countenance was pleasing and commanded respect.