Simple Definition of dementia
medical : a mental illness that causes someone to be unable to think clearly or to understand what is real and what is not real
Examples of dementia in a sentence
This patient suffers from dementia.
a new study on age-related dementias
Origin and Etymology of dementia
Latin, from dement-, demens mad, from de- + ment-, mens mind — more at mind
First Known Use: 1806
Medical Definition of dementia
: a usually progressive condition (as Alzheimer's disease) marked by the development of multiple cognitive deficits (as memory impairment, aphasia, and inability to plan and initiate complex behavior)
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