1. the quality or state of being dangerous; the degree to which something or someone poses a risk of harm or injury

Examples

• The dangerousness of the mountain pass increased during winter storms.
• Experts assessed the dangerousness of the chemical compound before allowing its use in factories.
• The dangerousness of drunk driving is well documented by traffic safety organizations.
• She underestimated the dangerousness of the situation and walked into the flooded area.
• The dangerousness of the criminal was a major factor in the judge's sentencing decision.
• Wildlife experts warned about the dangerousness of approaching wild bears in their natural habitat.