dementia

noun
de·​men·​tia | \ di-ˈmen(t)-shə How to pronounce dementia (audio) , -shē-ə\

Definition of dementia

1 : a usually progressive condition (such as Alzheimer's disease) marked by the development of multiple cognitive deficits (such as memory impairment, aphasia, and the inability to plan and initiate complex behavior) dementia is diagnosed only when both memory and another cognitive function are each affected severely enough to interfere with a person's ability to carry out routine daily activities.The Journal of the American Medical Association
2 : madness, insanity a fanaticism bordering on dementia

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Other Words from dementia

demential \ -​shəl How to pronounce demential (audio) \ adjective

Synonyms & Antonyms for dementia

Synonyms

aberration, derangement, insanity, lunacy, madness, mania, rage [archaic]

Antonyms

mind, saneness, sanity

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Examples of dementia in a Sentence

This patient suffers from dementia. a new study on age-related dementias

Recent Examples on the Web

The rate at which dementia progresses may differ for each patient, and some become more severe much faster than others. Korin Miller, SELF, "Kathy Griffin Reveals Her Mother Has 'Rapidly Fallen Into the Throes of Dementia'," 4 Jan. 2019 Kirby’s goal is to render the experience of the onset of dementia in musical terms. Corey Seymour, Vogue, "The Caretaker’s Musical Project Is One Part Psychological Experiment, One Part Auditory Revelation," 14 Dec. 2018 The Alzheimer’s Association has launched the POINTER study, a more than $20 million two-year test that will examine whether lifestyle interventions can prevent dementia in 2,000 older adults. Linda Marsa, Discover Magazine, "A New Treatment for Alzheimer's? It Starts With Lifestyle," 16 Nov. 2018 The Department of Social Services investigation says more than 20 people would have died when a dementia facility burned to the ground if family members and emergency responders hadn't evacuated them after all staff left. Jonathan J. Cooper, Fox News, "State says seniors were abandoned during California wildfire," 6 Sep. 2018 People with dementia can also have difficulty with reasoning, problem-solving, planning, and organizing things. Korin Miller, SELF, "Kathy Griffin Reveals Her Mother Has 'Rapidly Fallen Into the Throes of Dementia'," 4 Jan. 2019 The study excluded patients who had been diagnosed with dementia before entering the research trial. Melanie Evans, WSJ, "No Benefit Seen From Antipsychotics Used in Delirious Hospital Patients," 22 Oct. 2018 Eventually, Miller decided to move her to Lincoln Village Senior Living, a memory care facility that is trained to take care of people living with dementia. Jeff Rumage, Milwaukee Journal Sentinel, "Visit to horse ranch rekindles childhood memories for woman with Alzheimer's disease," 5 June 2018 In people with dementia, trouble with swallowing is an important harbinger. Stacey Burling, Philly.com, "How to know when it's time for hospice," 22 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dementia.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dementia

1806, in the meaning defined at sense 1

History and Etymology for dementia

Latin, from dement-, demens mad, from de- + ment-, mens mind — more at mind

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Statistics for dementia

Last Updated

10 Mar 2019

Look-up Popularity

Time Traveler for dementia

The first known use of dementia was in 1806

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More Definitions for dementia

dementia

noun
de·​men·​tia | \ di-ˈmen-chə How to pronounce dementia (audio) \

Medical Definition of dementia

: a usually progressive condition (as Alzheimer's disease) marked by the development of multiple cognitive deficits (as memory impairment, aphasia, and inability to plan and initiate complex behavior)

Other Words from dementia

demential \ -​chəl How to pronounce demential (audio) \ adjective

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Comments on dementia

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