dementia
/dɪˈmɛnʃə/
noun
- A serious mental disorder that affects a person's ability to think, remember, and make decisions, often getting worse over time.
- People with dementia may have trouble recognizing familiar faces or places.
- Scientists are researching new treatments to slow the progression of dementia.
- My grandmother was diagnosed with dementia and now needs help with daily tasks.
- A state of severe confusion or forgetfulness, sometimes used informally to describe absent-mindedness.
- After pulling an all-nighter, I had total dementia and couldn't find my keys.
- He joked that his constant misplacing of glasses was early-onset dementia.
- The stress of the move caused a temporary dementia where I forgot my own phone number.