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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
High blood pressure, defined as 130/80 mmHg or above by the American College of Cardiology and other major heart health authorities, remains the leading risk factor for heart disease and stroke. — Hanna Wickes, Charlotte Observer, 9 Oct. 2026 This includes finding cures for cancer, heart disease and Alzheimer’s disease. — Tarini Mehta, Sacbee.com, 8 Oct. 2026 When a man has both prostate cancer and heart disease, how much does each condition influence the decision? — Howard Wolinsky, STAT, 7 Oct. 2026 As a result, excess waste and fluids remain and can lead to other health issues, such as heart disease. — ABC News, 6 Oct. 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 10 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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster