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Definitions

dementia

[dih-men-shuh, -shee-uh] / dɪˈmɛn ʃə, -ʃi ə /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Clinical trials are in the works; a major one aims to determine if metformin, now approved as a diabetes medication, can delay age-related diseases like cancer and dementia, and improve cardiac health.

From Barron's • May 21, 2026

Jones, best known for his part in the British comedy group Monty Python, died in 2020 aged 77 from a rare form of dementia.

From BBC • May 20, 2026

"That's an essential step toward reducing the burden of dementia for everyone, but especially for women, who are disproportionately affected."

From Science Daily • May 20, 2026

The lifetime risk of dementia after age 55 is about 42%, according to a 2025 study published in the journal Nature Medicine.

From MarketWatch • May 19, 2026

I was uncertain if this referred to Bud or to a literal blue jay, or if, perhaps, we were heading into the territory of senile dementia.

From "The Secret History" by Donna Tartt




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