Mental infirmity is a term used to describe cognitive or emotional impairment, such as dementia, Alzheimer's disease, or other mental disorders. Synonyms for this term include mental disability, cognitive impairment, mental retardation, intellectual disability, cognitive dysfunction, and cognitive decline. Other related terms include mental illness, psychiatric disorder, neurosis, and psychosis. These terms are often used interchangeably to describe a range of conditions that affect the mind and can manifest in various ways, from mild cognitive problems to severe mental health disorders that require long-term treatment and support. It is important to recognize the varied nature of mental infirmity and the different ways in which it can impact individuals.