'Dumb' in the Bible

And, behold, thou shalt be dumb, and not able to speak, until the day that these things shall be performed, because thou believest not my words, which shall be fulfilled in their season.

and having come out, he was not able to speak to them, and they perceived that a vision he had seen in the sanctuary, and he was beckoning to them, and did remain dumb.

And he was casting out a devil, and it was dumb. And it came to pass, when the devil was gone out, the dumb spake; and the people wondered.