the state or fact of a faculty or function being weakened or damaged

a degree of physical or mental impairment

increased impairment of the immune system

individuals with mild cognitive impairment

reduction in the estimated or nominal value of an asset

impairment occurs when the fair value of a company's financial assets falls below its book value

the chief executive said impairments would be more severe than expected

an impairment charge of $5.2 million on equity investment