senility

• sinility

senile +‎ -ity

• Rhymes: -ɪlɪti

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senility (countable and uncountable, plural senilities)

1. (chiefly uncountable) Senescence; the bodily and mental deterioration associated with old age.
2. (chiefly uncountable) The losing of memory and reason due to senescence.

   He was entering his years of senility and not liking it a bit.

3. (countable, archaic) An elderly, senile person.
   • 1934 May, Hearst's International combined with Cosmopolitan, page 117:

     There was no need for George Playford to talk as if they were doddering senilities.

• juvenility

• senile