Inexpressible
Pronunciation : In`ex*press"i*ble
Part of Speech : a.
Definition : Defn: Not capable of expression or utterance in language; ineffable; unspeakable; indescribable; unutterable; as, inexpressible grief or pleasure. "Inexpressible grandeur." Blair. In orbs Of circuit inexpressible they stood. Milton.
Source : Webster's Unabridged Dictionary, 1913