Synonyms

senility

[si-nil-i-tee] Example Sentences

se·nil·i·ty

[si-nil-i-tee]
noun
the state of being senile, especially the weakness or mental infirmity of old age.

Origin:
1770–80; senile + -ity
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Senility is always a great word to know.
So is ninnyhammer. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a fool or simpleton; ninny.
Example Sentences
  • And voices of senility rise in discord as unhappy residents wheel themselves through the hallways.
  • By reposing on their laurels, they soon sunk into senility.
  • He helped establish, for example, that senility is not inevitable with aging.
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Collins
World English Dictionary
senile (ˈsiːnaɪl)
 
adj
1.  of, relating to, or characteristic of old age
2.  mentally or physically weak or infirm on account of old age
3.  See old (of land forms or rivers) at an advanced stage in the cycle of erosion
 
[C17: from Latin senīlis, from senex an old man]
 
'senilely
 
adv
 
senility
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

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.
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