For Jesus and his contemporaries, the idea of a divine Messiah would have been utterly unthinkable.
The consequences of not having enough of them are utterly unthinkable.
The thought that you might have given yourself similar advice before your marriage was to me utterly unthinkable.
Faraerth knew well that most, if not all, Hegemony citizens found the notion utterly unthinkable.
At that moment, the idea any action of mine could lead to the death of this man was utterly unthinkable.
Then it occurs to him that he is free to do the utterly unthinkable for a politician up for re-election: tell the truth.
I don't care how many guards you deploy - 40, 60, 100 or more - the consequences of not having enough of them are utterly unthinkable.
But among the capital's power brokers, Mr. Torricelli has accumulated considerable influence, so it is not utterly unthinkable that he would be considered.
As a result the concept of lying was totally alien to them, and the idea of being tactful or diplomatic or even polite was utterly unthinkable.
I am all unworthy, and such a thing would be utterly unthinkable.