vicious

Definition

• adj. (of persons or their actions) able or disposed to inflict pain or suffering
• adj. having the nature of vice
• adj. bringing or deserving severe rebuke or censure
• adj. marked by deep ill will; deliberately harmful

Example sentences

1. a.

   The villain in the story had a vicious plan to ruin the hero's life.

2. a.

   The doctor explained that the vicious nature of the disease made it hard to treat.