01 a. Not speakable; incapable of being uttered or adequately described; inexpressible; unutterable; ineffable; as, unspeakable grief or rage.
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1.
Not speakable; incapable of being uttered or adequately described; inexpressible; unutterable; ineffable; as, unspeakable grief or rage.“Ye rejoice with joy unspeakable and full of glory.” — 1 Pet. i. 8.