scoundrelly

But, sir, surely you would not pander to a scoundrelly taste?

You shall have the wine gratis, and of far better quality than what you get at the scoundrelly "Swan."

“Of your scoundrelly rabble, sir,” cried Scarlett, turning upon him fiercely.

This peace, the peace of Campo Formio, was for both sides a thoroughly scoundrelly and ultimately a disastrous bargain.