Definition: Meaning of, dementia in English to English dictionary.

Pronunciation: / dɪˈmɛnʃə /

  • noun
  • synonym
  • antonym
Word Forms:
Singular Plural
dementia dementias
  1. an illness that affects the brain and memory, and makes you gradually lose the ability to think and behave normally
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dementia used in phrases

  • alcoholic dementia (noun)
    1. dementia observed during the last stages of severe chronic alcoholism; involves loss of memory for recent events although long term memory is intact
  • dementia praecox (noun)
    1. any of several psychotic disorders characterized by distortions of reality and disturbances of thought and language and withdrawal from social contact
  • presenile dementia (noun)
    1. dementia with onset before the age of 65
  • senile dementia (noun)
    1. a serious medical condition that affects the minds of some old people, and makes them confused and behave in a strange way
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