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
This patient suffers from dementia.
a new study on age-related dementias
Origin 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)
Learn More about dementia
Thesaurus: All synonyms and antonyms for "dementia" Medical Dictionary: Definition of "dementia" Spanish Central: Translation of "dementia" Nglish: Translation of "dementia" for Spanish speakers Britannica English: Translation of "dementia" for Arabic speakers Britannica.com: Encyclopedia article about "dementia"
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