Vil'lain-y, n.
n. [Written also villany.] [O. Fr. villanie, vilanie, vilainie, vileinie, vilenie, Pr. vilania, Sp., Pg., It., & L. Lat. villania. See supra.]
Sense 1. The quality of being a villain, or villainous; extreme depravity; atrocious wickedness; as, the villainy of the thief or the robber; the villainy of the seducer.
The commendation is not in his wit, but in his villainy. Shak.
Sense 2. Depraved discourse; infamous speech or talk.
In our modern language, it [foul language] is termed vilainy, as being proper for rustic boors, or men of coarsest education and employment, who, having their minds debased by being conversant in meanest affairs, do vent their sorry passions in such strains. Barrow.
Sense 3. The act of a villain; a deed of deep depravity; a crime.
Such villainies roused Horace into wrath. Dryden.