heart disease

noun

: an abnormal condition of the heart or of the heart and circulation (such as coronary heart disease, arrhythmia, or heart-valve defect)

Examples of heart disease in a Sentence

Recent Examples on the Web
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The Centers for Disease Control and Prevention notes that heart disease and stroke remain the leading cause of death for Americans, killing nearly 920,000 people -- about 1 in 3 deaths -- in 2023. — Yi-Jin Yu, ABC News, 2 Oct. 2026 Adults with intellectual and developmental disabilities face significantly higher rates of chronic conditions such as heart disease, diabetes, and obesity. — O. Rose Broderick, STAT, 1 Oct. 2026 Rates of disability, heart disease and diabetes are two to three times higher than in the general population. — Laura Ungar, Los Angeles Times, 30 Sep. 2026 Controlling their blood pressure could prevent thousands of cardiovascular events and save hundreds of lives a year — about 4,000 Chicagoans died from heart disease in 2024, about 2,000 died from hypertension as a primary or secondary cause. — Garth Walker, Chicago Tribune, 28 Sep. 2026 See All Example Sentences for heart disease

Word History

First Known Use

1830, in the meaning defined above

Time Traveler
The first known use of heart disease was in 1830

Browse Nearby Words

Cite this Entry

“Heart disease.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heart%20disease. Accessed 4 Oct. 2026.

Kids Definition

heart disease

noun
: an abnormal condition of the heart or of the heart and blood circulation

Medical Definition

heart disease

noun
: an abnormal condition of the heart or of the heart and circulation (as coronary heart disease, arrhythmia, or heart-valve defect)

More from Merriam-Webster on heart disease

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