dementia
noun/dɪˈmɛnʃə/
Frequency rank: #5,611 of 20,003 in the WORDED list (wordfreq data)
Meaning
A chronic or persistent disorder of mental processes caused by brain disease or injury, marked by memory loss and impaired reasoning.
Example sentence
The doctor explained that her grandfather was showing early signs of dementia.
Synonyms & related words
- senility
- deterioration
- decline
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