Adjective
Not capable of expression or utterance in language; ineffable; unspeakable; indescribable; unutterable; as, inexpressible grief or pleasure.
Source: Webster's dictionaryAfter silence, that which comes nearest to expressing the inexpressible is music. Aldous Huxley
This creed of the desert seemed inexpressible in words, and indeed in thought. T. E. Lawrence
Holiness appeared to me to be of a sweet, pleasant, charming, serene, calm nature; which brought an inexpressible purity, brightness, peacefulness and ravishment to the soul. Jonathan Edwards (theologian)
Intuition is a method of feeling one's way intellectually into the inner heart of a thing to locate what is unique and inexpressible in it. Henri Bergson
There, in the chords and melodies, is everything I want to say. The words just jolly it along. It's always been my way of expressing what for me is inexpressible by any other means. David Bowie
It's inexpressible and one must leave it until it is hardened and becomes something that has form and has some possibility of being communicated. It might take a year or two or three or four to emerge. Arthur Miller