Definitions

1. noun

a persistent disorder of the mental processes caused by brain disease or injury and marked by memory disorders, personality changes, and impaired reasoning.

“She had been living with dementia for several years and required constant care.”

2. noun

the state of being demented or insane.

“The patient’s dementia was a result of years of neglect and abuse.”

3. noun

a loss of mental faculties or a decline in cognitive function, often associated with aging.

“Her dementia made it difficult for her to remember important events and people.”