Meaning of the word senile in English

What does senile mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

senile

US /ˈsen.aɪl/
UK /ˈsen.aɪl/

Adjective

1.

showing poor mental ability because of old age, especially being unable to think clearly and make decisions:

Example:
He spent many years caring for his senile mother.
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