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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Doctors say the fine particles from air pollution can penetrate the lungs and bloodstream, triggering inflammation and a variety of health problems, including lung and heart disease. Stephanie Stahl, CBS News, 23 Apr. 2026 Since heart disease remains the leading cause of death in the United States—and dementia significantly impacts both quality and length of life —anything that meaningfully reduces risk, even modestly, matters in the longevity conversation. Michele Ross, SELF, 22 Apr. 2026 The Living Heart Foundation offers health screenings around the country because of the higher risk for heart disease among larger-bodied people such as football players, Perryman explained. Roni Robbins, AJC.com, 21 Apr. 2026 Congenital heart disease happens when there is one or more problems with the heart structure that are present at birth, according to Mayo Clinic. Kimberlee Speakman, PEOPLE, 21 Apr. 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 26 Apr. 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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