senileadjective
uk/ˈsiː.naɪl/us/ˈsen.aɪl/showing poor mental ability because of old age, especially being unable to think clearly and make decisions:
He spent many years caring for his senile mother.
I'm always losing my keys these days. I think I must be going senile.
Thesaurus: synonyms and related words
Describing people who are old
- aged
- ageing
- ageless
- aging
- as old as Methuselah idiom
- day
- elderly
- foot
- for a man/woman/person of his/her years idiom
- gaga
- geriatric
- grand old age idiom
- grey
- have had its/your day idiom
- have one foot in the grave idiom
- overage
- pensionable
- sprightly
- spry
- superannuated
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You can also find related words, phrases, and synonyms in the topics:
Mental & psychiatric disorders
senility
noun [ U ] uk/sɪˈnɪl.ə.ti/us/səˈnɪl.ə.t̬i/