The physical and mental deterioration associated with old age.
An obsolete term referring to abnormal deterioration in the mental functions of old people.
The deterioration of mental activity associated with the last stages of the natural life span.
Mental or physical weakness that may be associated with old age. Many specialists in aging find the term offensive.
Advanced age, or more frequently, the diminishing cognitive function that can manifest with the passage of time.
Elderly age; the weakened mental and physical condition typically associated with old age.