unacceptable
His reaction is unacceptable.
Que los hubiera en la isla de al lado era inaceptable.
The fact that there were any on the neighboring island was unacceptable.
Es muy lamentable que su solicitud haya sido considerada inaceptable.
It is very unfortunate that your request was deemed unacceptable.
This is unacceptable.
¡No! Eso es completamente inaceptable.
No! That is completely unacceptable.