Having a shaven head and wearing an iron collar seemed to have been signs of unforgivable criminality.
Also, the absence of a concluding chapter is unforgivable.
It is therefore particularly unforgivable for the archaeological establishment to exploit these privileges in self-serving ways.
For an archivist, such partiality (preference/bias) may be unforgivable, as is a second type of partiality (incompleteness) which often accompanies it.
Portraits are complex fabrications, and it is because artists play such a central role that it is unforgivable not to name them if known.
Intending 'emotional expressivity', though, is not unforgivable only in modernists.
I shall begin by making the case that these acts and actors appear 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.