Medical Dictionary
senility
noun se·nil·i·ty \si-ˈnil-ət-ē also se-\
plural se·nil·i·ties
Medical Definition of SENILITY
: the quality or state of being senile; specifically : the physical and mental infirmity of old age
Seen & Heard
What made you want to look up senility? Please tell us where you read or heard it (including the quote, if possible).