Meaning of dementia

de•men•tia

Pronunciation: (di-men'shu, -shē-u), [key]
— n. Psychiatry.
  1. severe impairment or loss of intellectual capacity and personality integration, due to the loss of or damage to neurons in the brain.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: