villainess

[vil-uh-nis]

noun

Origin of villainess

First recorded in 1580–90; villain + -ess

See -ess.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Jackson was cast as the villainess—the “mastermind” of this whole bloated controversy.
Super Bowl’s ‘Nipplegate’ Fiasco 10 Years Later: The Pop Diva, the Boob, and the Outrage
Marlow Stern
February 1, 2014

Of course these matters may be important—if the lady is the villainess, for instance.
The Lure of the Pen
Flora Klickmann
Thus we took up our parts of (alleged) villain and villainess.
The Heather-Moon
C. N. Williamson and A. M. Williamson
She told him he was making a villainess out of her, and that she'd end their meetings.
The Precipice
Elia Wilkinson Peattie
And the heart-beats were not calmed, for Marise recognised the contralto tones of Miss Marks, the villainess of her dream.
Vision House
C. N. Williamson
If the villainess were a blonde, the gallery would take her for the heroine, and things would get terribly mixed.
Her Royal Highness Woman
Max O'Rell