unchristian behaviour
an unchristian attitude
It was unchristian of him to refuse to help.
With an unchristian price, it is worth a good house or a nice car.
I was rebuffed and I spent a grim and tragic Christmas Eve in those most unchristian surroundings.
As for the good Mrs. Pendennis, she was almost distracted when she heard of the squabble, and of Pen's unchristian behavior.
