The Collaborative International Dictionary
Facinorous
Facinorous \Fa*cin"o*rous\, a. [L. facinorous, from facinus
deed, bad deed, from facere to make, do.]
Atrociously wicked. [Obs.]
--Jer. Taylor. --
Fa*cin"o*rous*ness, n. [Obs.]
Douglas Harper's Etymology Dictionary
facinorous
"extremely wicked," 1540s, from Latin facinorosus, from stem of facinus "a deed," especially a bad one, from facere "to do" (see factitious). "Very common in 17th c." [OED].
Wiktionary
facinorous
a. Extremely wicked.
Usage examples of "facinorous".
It might work for its greater popularity if I argued the other way, making out that the subjects I have chosen were monsters of brutality, with arms up to the shoulders in blood, that they were prodigies of iniquity and cunning, without bowels, steeped in hypocrisy, facinorous to a degree never surpassed or even equalled by evil men.