dementia

/dɪˈmɛnʃə/

Misollar

Dementia ran in Yanni's family.
Donald Trump is suffering from dementia.
Tom is showing signs of dementia.
This looks like the onset of dementia.
Dementia is almost too good for Mitch McConnell.
My grandaunt needs a caregiver because she as dementia.

ot noun

A progressive decline in cognitive function due to damage or disease in the brain beyond what might be expected from normal aging. Areas particularly affected include memory, attention, judgement, language and problem solving.
Madness or insanity.

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.