INDESCRIBABLE
indefinable, indescribable, ineffable, unspeakable, untellable, unutterable
(adjective) defying expression or description; “indefinable yearnings”; “indescribable beauty”; “ineffable ecstasy”; “inexpressible anguish”; “unspeakable happiness”; “unutterable contempt”; “a thing of untellable splendor”
Source: WordNet® 3.1
Etymology
Adjective
indescribable (comparative more indescribable, superlative most indescribable)
Impossible, or very difficult to describe.
Exceeding all description.
Synonyms
• undescribable
• ineffable
• See also indescribable
Antonyms
• describable
Source: Wiktionary
In`de*scrib"a*ble, a.
Definition: Incapable of being described.
– In`de*scrib"a*bly, adv.
Source: Webster’s Unabridged Dictionary 1913 Edition