It was unforgivable, and one would like to think that it could not happen at any detention centre.
It is clearly a bitter civil war and some of the atrocities that have taken place are unforgivable by any rational judgment.
If it transpires that it has, that will represent an unforgivable breach of its duty to protect animal and human health.
We must not stop now: that would be an unforgivable own-goal.
This is a really thorough insanity, and the sufferer is sunk in gloom and obsessed with the belief that he has committed the unforgivable sin.
They were shattered by that dirty, evil and unforgivable act.
Silence or an evasive answer will be unforgivable.
Secondly, the contents are simply too self-contained, there are no references whatsoever in the text and no bibliography - for a teaching document this is to my mind unforgivable.