Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
demarcation dispute
démarche
demassification
dematerialize
deme
demean
demeanor
demeanour
demented
dementia
dementia praecox
demerara
Demerara window
demerger
demerit
demerit goods
Demerol
Click to move down the list of words
Print Preview
See pronunciation key
Search for "demented" in all of MSN Encarta
E-mail this entry
Blog about this entry on MSN Spaces
Download the MSN Encarta Right-Click Dictionary

demented

de·ment·ed [ di méntəd ]


adjective 
Definition:
 
1. entirely irrational: completely unreasonable or lacking any sense of the consequences of actions taken ( informal )

2. affected with dementia: affected by the loss of intellectual functions that is associated with dementia

[Mid-17th century. Past participle of obsolete dement "deprive of reason" < Latin dementare< ment- "mind"]

de·ment·ed·ly adverb
de·ment·ed·ness noun
Advertisement

Also on Encarta
Englishtown: Learn English online
Our Partners
Also on MSN
Encarta Message Boards (© Rubberball/Jupiterimages)
Shopping
© 2009 Microsoft