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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While estrogen has many protective effects—including reducing the risk of osteoporosis and heart disease—the conversation around hormone therapy is nuanced. — Ashley Abramson, Allure, 22 Oct. 2026 Not only is a cup of tea highly enjoyable, but it has long been associated with health benefits, including a lower risk of heart disease, stroke and dementia. — Faye Chiu, CNN Money, 21 Oct. 2026 Likewise, depression, obesity, Alzheimer’s, heart disease—all are wildly different diseases, yet all are influenced by diet. — Rowan Jacobsen, Scientific American, 20 Oct. 2026 Participants who used testosterone had a higher risk of heart disease than non-users, but the absolute risk was still very low. — Emily Kay Votruba, EverydayHealth.com, 20 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 24 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)

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