Ĭn/ex-prĕss'i-ble, a.
a. [Prefix in, not, and expressible; Fr. inexpressible, inexprimable, It. inesprimibile.] Not capable of expression; not to be uttered; ineffable; unspeakable; unutterable; as, inexpressible grief, joy, or pleasure.
In orbs Of circuit inexpressible they stood. Milton.
Synonyms—Unspeakable; unutterable; ineffable; indescribable; untold.