Dishonourable

If you refuse my open challenge, there is no advantage I will not take of you, no indignity with which I will not load you, until the very name of Ravenswood shall be the sign of everything that is dishonourable, as it is already of all that is villainous.

He adhered to the forms of his religion rather because he felt it would be dishonourable to change that of his fathers, than from any rational or sincere belief of its mysterious doctrines.