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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Saturated fats can also cause weight gain, affect metabolic health and increase the risk of developing diabetes, heart disease and other health issues, according to the National Library of Medicine. Mary Kekatos, ABC News, 3 July 2026 The mid-20th century also ushered in improvements in heart disease treatments. Melissa Rudy, FOXNews.com, 3 July 2026 The report also listed the leading causes of death in 2025, with the top three being estimated as heart disease with 694,708 deaths, cancer with 622,832 deaths and unintentional injuries with 184,265 deaths. Sara Moniuszko, USA Today, 2 July 2026 The agency says fireworks smoke can cause dangerous spikes in air pollution, particularly for children, older adults and people with asthma or heart disease. Maddie White, CBS News, 2 July 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 6 Jul. 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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