heart failure

noun

1
: a condition in which the heart is unable to pump blood at an adequate rate or in adequate volume
2
: cessation of heartbeat : death

Examples of heart failure 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.
Just one cup of joe is associated with reduced occurrence of atrial fibrillation (AF), a common form of abnormal heartbeat that causes your heart to race and can lead to blood clots, stroke or heart failure. Nicole Fallert, USA Today, 10 Nov. 2025 Experts say the research is preliminary and that people who rely on melatonin may have underlying sleep issues that cause heart failure. Stephanie Brown, Verywell Health, 10 Nov. 2025 In November, preliminary, unpublished results reported at the American Heart Association meeting found a connection in adults between taking melatonin for more than a year and heart failure. Veronique Greenwood, Time, 10 Nov. 2025 Tagliabue’s cause of death was heart failure complicated by the disease, according to ESPN. Ryan Gaydos, FOXNews.com, 9 Nov. 2025 See All Example Sentences for heart failure

Word History

First Known Use

1574, in the meaning defined at sense 1

Time Traveler
The first known use of heart failure was in 1574

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Cite this Entry

“Heart failure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heart%20failure. Accessed 16 Nov. 2025.

Medical Definition

heart failure

noun
1
: a condition in which the heart is unable to pump blood at an adequate rate or in adequate volume compare angina pectoris, congestive heart failure, coronary failure, heart attack
2
: cessation of heartbeat : death

More from Merriam-Webster on heart failure

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