Try Our Apps
Dictionary.com

follow Dictionary.com

The Best Internet Slang

senility

[si-nil-i-tee] /sɪˈnɪl ɪ ti/
noun
1.
the state of being senile, especially the weakness or mental infirmity of old age.
Origin of senility
1770-1780
First recorded in 1770-80; senile + -ity
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for senility
Contemporary Examples
Historical Examples
  • Not of age—merely of time; for here was no senility, no quavering or fretful lines.

    The Spenders Harry Leon Wilson
  • "Glad your senility has not affected that remnant of your common-sense," he declared.

    Kent Knowles: Quahaug Joseph C. Lincoln
  • Is it a sign of senility, or half-thought-out ideas, or what?

    Cyropaedia Xenophon
  • There's a similar touch of ineptitude (senility, perhaps) in the Memorabilia, ad fin.

    Cyropaedia Xenophon
  • And this is the man they accuse of senility and weak intellect!

  • The moss of senility is covering the bloom of youth and the honor of youth.

    'Charge It' Irving Bacheller
Word Origin and History for senility
n.

1753, from senile + -ity.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
senility in Medicine

senility se·nil·i·ty (sĭ-nĭl'ĭ-tē)
n.

  1. The state of being senile.

  2. The mental and physical deterioration characteristic of old age.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for senility

Some English speakers likely know this word

Word Value for senility

11
12
Scrabble Words With Friends

Nearby words for senility