follow Dictionary.com

Is irregardless a word?

dementia

[dih-men-shuh, -shee-uh] /dɪˈmɛn ʃə, -ʃi ə/
noun, Psychiatry.
1.
severe impairment or loss of intellectual capacity and personality integration, due to the loss of or damage to neurons in the brain.
Origin of dementia
1800-1810
1800-10; < Latin dēmentia madness, equivalent to dēment- out of one's mind (see dement) + -ia noun suffix
Related forms
demential, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the Web for dementia
Contemporary Examples
Historical Examples
British Dictionary definitions for dementia

dementia

/dɪˈmɛnʃə; -ʃɪə/
noun
1.
a state of serious emotional and mental deterioration, of organic or functional origin
Word Origin
C19: from Latin: madness; see dement
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
Cite This Source
Word Origin and History for dementia
n.

1806, from Latin dementia "madness, distraction, folly," noun of state from dementem, from dementer (see dement). It existed earlier in an anglicized form, demency (1520s), from French démence. Dementia praecox is a Modern Latin form recorded from 1899 in English, 1891 in German, from French démence précoce (1857). See precocious.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
dementia in Medicine

dementia de·men·tia (dĭ-měn'shə)
n.
Deterioration of intellectual faculties, such as memory, concentration, and judgment, resulting from an organic disease or a disorder of the brain, and often accompanied by emotional disturbance and personality changes.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
dementia in Science
dementia
  (dĭ-měn'shə)   
Deterioration of intellectual faculties, such as memory, concentration, and judgment, sometimes accompanied by emotional disturbance and personality changes. Dementia is caused by organic damage to the brain (as in Alzheimer's disease), head trauma, metabolic disorders, or the presence of a tumor.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for dementia

Some English speakers likely know this word

Word Value for dementia

11
13
Scrabble Words With Friends

Nearby words for dementia