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.
His death was due to heart failure, brought on by years of battling COPD, his family said. Jon Becker, Mercury News, 15 Mar. 2026 Eventually, as the heart's structure changes, heart failure develops, where the heart cannot adequately fill with and pump blood to the rest of the body. Colleen Doherty, Verywell Health, 11 Mar. 2026 Research in recent years has been linking the DASH diet to a lower risk of heart disease and heart failure as one gets older. Jocelyn Solis-Moreira, Flow Space, 9 Mar. 2026 Simply getting older increases our chances of developing cancer, dementia, heart failure, and many other conditions. Andrew S. Brack, Time, 26 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 21 Mar. 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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