What does «vileza» mean in Spanish?

Quality of vile: contemptuously, unworthy, vile.

Examples of use in Spanish: "El desgraciado estafó con vileza a su propia madre".
Vile, unworthy action or expression.

Examples of use in Spanish: "Este gobierno ha mentido con vileza a su propia gente".
(asesinado con vileza) Someone who is killed violently and without justice, in a treacherous and usually treacherous manner.

Examples of use in Spanish: "Fue asesinado con vileza por la espalda".