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
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Those compounds, designed from 1997 to 2012, originally were aimed to inhibit Trypanosoma cruzi, the parasite that causes Chagas disease, which can further the risk of heart failure, organ damage or death. Noah Lyons, San Diego Union-Tribune, 7 Jan. 2026 Patients recovering from pneumonia, heart failure, infections, and other conditions now regularly receive daily virtual physician visits, intermittent nursing support, IV therapies, diagnostics, and monitoring — without a hospital stay. Lee Fleisher, STAT, 6 Jan. 2026 Digoxin Digoxin is used to treat heart failure and certain types of irregular heartbeats. Jessica Swirble, Verywell Health, 5 Jan. 2026 Carole D'Andrea, who portrayed Velma in West Side Story on Broadway and in the 1961 film, died at age 87 in her home on March 11 due to heart failure. Brendan Le, PEOPLE, 5 Jan. 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 9 Jan. 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

More from Merriam-Webster on heart failure

Last Updated: - Updated example sentences
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