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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Milner saw a similar pattern with a 77-year-old heart failure patient. Nancy Badertscher, AJC.com, 7 May 2026 Doctors use it every day to determine the degree of an individual’s heart failure. Lawrence K. Altman, STAT, 7 May 2026 Untreated sleep apnea can lead to a host of cardiovascular diseases, such as hypertension, heart failure and stroke. Erika Yamazaki, The Conversation, 6 May 2026 The Swedish defenseman took a leave of absence in November to be with his fiancée, Carolina Matovac, who had experienced heart failure months earlier and required a heart transplant. Julian McKenzie, New York Times, 4 May 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 10 May. 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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