1 dementia | Definition of dementia

dementia

noun
de·​men·​tia | \ di-ˈmen(t)-shÉ™ How to pronounce dementia (audio) , -shÄ“-É™\

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 \ di-​ˈmen(t)-​shÉ™l How to pronounce demential (audio) , -​shÄ“-​É™l \ 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

Her partner, the novelist Graeme Gibson, is living with dementia. Time, "The Handmaid's Tale Was a Warning. Three Decades Later, Margaret Atwood Is Back With Another," 3 Sep. 2019 Two former nursing aides of The Abington of Glenview nursing home pleaded guilty to charges stemming from a video posting on the social media website Snapchat showing them taunting a 91-year-old woman with dementia. Alexandra Kukulka, chicagotribune.com, "Former aides of Glenview nursing home plead guilty after posting Snapchat video showing them taunting 91-year-old resident," 27 Aug. 2019 Wooten, who has been diagnosed with dementia, was described as a 6-foot tall black male weighing 150 pounds. Howard Koplowitz | [email protected], al, "Birmingham man with dementia found safe after disappearing Thursday," 22 Aug. 2019 Ikea, a famous Swedish construction company and the Queen of Sweden are partnering to help provide comfortable living solutions for people living with dementia. Aj Willingham, CNN, "A boy's uplifting challenge, some heroic first responders and a ducky derby," 10 Aug. 2019 Because of those risks, Narula said that patients with dementia should not be on these medications at all. CBS News, "Research links widely-used drugs to a nearly 50% higher risk of dementia," 29 July 2019 Jim Henke, author of several books about music and musicians, and the first curator at the Rock & Roll Hall of Fame, has died at the age of 64 after a long battle with dementia. Chuck Yarborough, cleveland.com, "Grog Shop ‘celebration’ to honor late Rock Hall curator, Rolling Stone writer Jim Henke," 24 July 2019 Simulations based on Hopfield's concept can be used to study memory loss in patients with dementia. Leila Sloman, Scientific American, "Magnet and Neuron Model Also Predicts Arctic Sea Ice Melt," 24 July 2019 Sixty to 80% of people with dementia have Alzheimer’s, the Alzheimer’s Association says. Maggie O'neill, Health.com, "Can Alzheimer’s Be Stopped? Here’s What the Latest Research Says," 15 July 2019

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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More Definitions for dementia

dementia

noun
de·​men·​tia | \ di-ˈmen-chÉ™ 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 \ -​chÉ™l How to pronounce demential (audio) \ adjective

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