'Doubting' in the Bible

the disciples were looking, therefore, one at another, doubting concerning whom he speaketh.

And as the priest, and the magistrate of the temple, and the chief priests, heard these words, they were doubting concerning them to what this would come;

but having risen, go down and go on with them, nothing doubting, because I have sent them;'

and the Spirit said to me to go with them, nothing doubting, and these six brethren also went with me, and we did enter into the house of the man,

and I, doubting in regard to the question concerning this, said, If he would wish to go on to Jerusalem, and there to be judged concerning these things --

and let him ask in faith, nothing doubting, for he who is doubting hath been like a wave of the sea, driven by wind and tossed,