That peculiar decay of the mental faculties which occurs in extreme old age, and in many cases much earlier, whereby the person is reduced to second childhood, and becomes sometimes wholly incompetent to enter into any binding contract, or even to execute a will. It is the recurrence of second childhood by mere decay. 1 Bedf. Wills, 63. See INSANITY.
Link to This DefinitionDid you find this definition of SENILE DEMENTIA helpful? You can share it by copying the code below and adding it to your blog or web page.
Written and fact checked by The Law Dictionary