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.
If not treated, the disease can put strain on the heart by thickening the heart muscle, as well as lead to heart failure. Edward Segarra, USA Today, 11 Feb. 2026 In addition to including younger adults and forecasting predictions further into the future, the new model predicts a broader range of outcomes, including heart failure. Angela Haupt, Time, 11 Feb. 2026 They have been used medicinally for centuries to alleviate digestive problems, heart failure and to reduce blood pressure. Bestreviews, Chicago Tribune, 11 Feb. 2026 Because the study focused on coronary heart disease, Sun said, the findings wouldn’t necessarily apply to other conditions such as heart failure or arrhythmias. Barbara Mantel, NBC news, 11 Feb. 2026 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 19 Feb. 2026.

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

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