Refers to flaws, faults, or imperfections in property or products that pose a danger to individuals. In legal contexts, it typically refers to conditions on a property or within a product that are inherently flawed or have become so due to wear, tear, or poor construction. These defects could include structural weaknesses, malfunctioning equipment, or hazardous materials. Property owners, manufacturers, or distributors have a responsibility to ensure that their property or products are free from defects that could cause harm to others. Failure to address or warn about defective conditions can result in liability under various areas of law, including premises liability or product liability.