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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Dead muscle is typically replaced by stiff scar tissue, often leading to heart failure. Khloe Quill, FOXNews.com, 31 Mar. 2026 Austin Furst, who founded Vestron Video, the pioneering home video company behind the Michael Jackson Thriller documentary and the film Dirty Dancing, died Wednesday, March 25, at his home in New Canaan, Connecticut, of complications from heart failure. Greg Evans, Deadline, 30 Mar. 2026 The researchers watched each adult closely for about three years and examined how many had a recurrent heart attack, were hospitalized for heart failure or died from any cause. Jacqueline Howard, CNN Money, 30 Mar. 2026 Byfield was diagnosed with heart failure and given months to live, but a second opinion at Memorial Regional Hospital gave him new hope. Bri Buckley, CBS News, 30 Mar. 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 6 Apr. 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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