1. the quality or state of being ruinous; destructiveness or harmfulness

Examples

• The ruinousness of the hurricane became clear as rescue teams surveyed the damage.
• Critics warned about the ruinousness of the proposed economic policies.
• The ruinousness of addiction affected not just him but his entire family.
• Environmental scientists studied the ruinousness of industrial pollution on marine life.
• The ruinousness of the war left the country struggling to rebuild.
• She couldn’t ignore the ruinousness of her gambling habit any longer.