Indescribability

Sensorial changes are by no means uncommon, and they are of every kind, description, and indescribability.

Source: wiktionary

These ideas may seem at first sight somewhat startling; but when we realise the extraordinary depth and indescribability of the emotions of music, the very remoteness and far-reachingness of the explanation is in favour of its validity.

Source: wiktionary

This perception, if we look to its origin, may turn out to be primitive; no doubt the feeling of "crude extensity" is an original sensation; every inference, association, and distinction is a thing that looms up suddenly before the mind, and the nature and actuality of which is a datum of what — to indicate its irresistible immediacy and indescribability — we may well call sense. Forms are seen, and if we think of the origin of the perception, we may well call this vision a sensation.

Source: wiktionary

But the unembodied Justice, whereof that other is either an emblem, or else is a fearful indescribability, is not so visible!

Source: wiktionary