double-dyed

I don’t care who he is, I say he is a double-dyed and most intolerable villain!’

Life And Adventures Of Martin Chuzzlewit

Charles Dickens

“I’ll expose you to-day, you—you double-dyed traitor,” stammered Thacker.

The Wit and Humor of America, Volume X (of X)

Various

There are fools, and there are double-dyed fools, and that man is the chief of them.

Bunyan Characters – Third Series

Alexander Whyte

Now he shall be lashed from the door, the double-dyed scoundrel!

Little Nobody

Mrs. Alex. McVeigh Miller

His case looks black now—I’ll make it of a double-dyed darkness.

A Girl of the People

L. T. Meade