dementia

Noun
Synonyms: dementedness

WordNet 3.0

Noun (1)

  1. mental deterioration of organic or functional originSynonyms: dementedness
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Webster's Dictionary (GCIDE)

Dementia \De*men"ti*a\, n. [L., fr. demens. See Dement.] Insanity; madness; esp. that form which consists in weakness or total loss of thought and reason; mental imbecility; idiocy. [1913 Webster]
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