demented

[ dih-men-tid ]
/ dɪˈmɛn tɪd /

adjective

crazy; insane; mad.
affected with dementia.

Origin of demented

First recorded in 1635–45; dement + -ed2

Related forms

de·ment·ed·ly, adverbde·ment·ed·ness, nounhalf-de·ment·ed, adjectivesem·i·de·ment·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dementedly

British Dictionary definitions for dementedly

demented

/ (dɪˈmɛntɪd) /

adjective

mad; insane

Derived Forms

dementedly, adverbdementedness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for dementedly

demented

[ dĭ-mĕntĭd ]

adj.

Mentally ill; insane.
Suffering from dementia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.