If Robeckal had a hand in the affair then it can only be a scoundrelly one!
But, sir, surely you would not pander to a scoundrelly taste?
I seem to have had my pocket picked by some scoundrelly blackguard.
That scoundrelly young Larkin—do you say that he did not bring you a note from me?
He had traded on his resemblance to me to get money and do all manner of scoundrelly ...