'Unspeakable' in the Bible
Judah has become disloyal, and unspeakable sins have been committed in Israel and Jerusalem. For Judah has profaned the holy things that the Lord loves and has turned to a foreign god!
They quickly left the tomb and ran, still terrified but full of unspeakable joy, to carry the news to His disciples.
Did then a thing which is good become death to me? No, indeed, but sin did; so that through its bringing about death by means of what was good, it might be seen in its true light as sin, in order that by means of the Commandment the unspeakable sinfulness of sin might be plainly shown.
In the same way the Spirit [comes to us and] helps us in our weakness. We do not know what prayer to offer or how to offer it as we should, but the Spirit Himself [knows our need and at the right time] intercedes on our behalf with sighs and groanings too deep for words.
Thanks be unto God for his unspeakable gift.
How that he was caught up into paradise, and heard unspeakable words, which it is not lawful for a man to utter.
Whom having not seen, ye love; in whom, though now ye see him not, yet believing, ye rejoice with joy unspeakable and full of glory:
Now to Him who is able to keep you from stumbling or falling into sin, and to present you unblemished [blameless and faultless] in the presence of His glory with triumphant joy and unspeakable delight,