dementia

play
noun de·men·tia \di-ˈmen(t)-shə, -shē-ə\

Definition of dementia

  1. 1 :  a usually progressive condition (as Alzheimer's disease) marked by deteriorated cognitive functioning often with emotional apathy

  2. 2 :  madness, insanity <a fanaticism bordering on dementia>

demential

play \-shəl\ adjective

Examples of dementia in a sentence

  1. This patient suffers from dementia.

  2. 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


DEMENTIA Defined for English Language Learners

dementia

play
noun de·men·tia \di-ˈmen(t)-shə, -shē-ə\

Definition of dementia for English Language Learners

  • medical : a mental illness that causes someone to be unable to think clearly or to understand what is real and what is not real


Medical Dictionary

dementia

play
noun de·men·tia \di-ˈmen-chə\

Medical Definition of dementia

  1. :  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)

demential

\-chəl\play adjective


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