senility

[ si-nil-i-tee ]

noun

1. the state of being senile, especially the weakness or mental infirmity of old age.

Word History and Origins

Origin of senility¹

First recorded in 1770–80; senile + -ity

Example Sentences

And when I asked him what his presidency would be remembered for, he said two words: “His senility.”

From BBC

It could happen if a president is suffering from senility or some other illness that prevents them from recognizing their diminished capacity.

From Washington Times

“I want to thank all the artists who came out tonight to help celebrate whatever it is we’re celebrating,” said Nelson, feigning senility and getting a laugh.

From Seattle Times

But don’t count on it to ward off senility.

From Los Angeles Times

Colin, an unemployed man in his 50s, and his mother, Barbara, teetering on the edge of senility, have lived in Room 4 for nearly a year, trying to fend off impending indignity.

From New York Times