senility

About 0.41 uses per million words.

Meaning

1. noun The bodily and mental deterioration associated with old age: Synonym of senescence.
2. noun The losing of memory and reason due to senescence.

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

3. noun An elderly, senile person.

Similar words

dotage second childhood aging ageing gerontology dementia sinility senescence seniorhood consenescence

Often followed by

and is of or in are was to as

Word family

senilities