Definition of senile dementia in English English dictionary
dementia of the aged; results from degeneration of the brain in the absence of cerebrovascular disease
Senile dementia is a mental illness that affects some old people and that causes them to become confused and to forget things. She is suffering from senile dementia. A progressive, abnormally accelerated deterioration of mental faculties and emotional stability in old age, occurring especially in Alzheimer's disease. a serious medical condition that affects the minds of some old people, and makes them confused and behave in a strange way