IPA: /ˈvɪl.ə.ni/
KK: /ˈvɪləni/
The quality or state of being wicked or evil, often associated with treachery or immoral behavior.
The story's villainy was evident in the character's cruel actions and deceitful plans.
Villainy → It is formed from "villain" (from Old French *vilain*, meaning a farmhand or peasant) and the suffix "-y" (meaning characterized by or full of). The word "villainy" refers to the quality or state of being a villain, characterized by wickedness or evil actions.
Think of a 'villain' as someone who is 'characterized by' ('-y') bad behavior, which helps you remember that 'villainy' means the state of being wicked.