dementia
NounSynonyms:
dementedness
WordNet 3.0
Noun (1)
- mental deterioration of organic or functional originSynonyms: dementedness
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]