1. the quality or state of being murderous; extreme violence or cruelty

Examples

• The murderousness of the attack shocked the entire community.
• His eyes held a cold murderousness that frightened everyone present.
• The novel depicted the murderousness of war in graphic detail.
• She was disturbed by the murderousness in his voice.
• The documentary explored the murderousness of the dictator’s regime.
• The critic noted the murderousness underlying the seemingly peaceful scene.