UNSPEAKABLE
Source: 566, 567
unspeakable. Unspeakable, a. not to be expressed, very great
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Un‐speak″a‐ble (?), a. [[Pref. un- not + speakable.]] Not speakable; incapable of being uttered or adequately described; inexpressible; unutterable; ineffable; as, unspeakable grief or rage. — Un‐speak″a‐bly, adv. Ye rejoice with joy unspeakable and full of glory. 1 Pet. i. 8.