dementedness n 1: mental deterioration of organic or functional origin [syn: {dementia}, {dementedness}]
Demented \De*ment"ed\, a. [From {Dement}.] Insane; mad; of unsound mind. -- {De*ment"ed*ness}, n. [1913 Webster]
dementedness \de*ment"ed*ness\ n. mental deterioration of organic or functional origin. Syn: dementia. [WordNet 1.5]