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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Many varieties of yew, including English yew and Pacific yew, cause dangerous symptoms in dogs, such as difficulty breathing, seizures, tremors and even sudden death from heart failure. Amy Deyoung, USA Today, 28 May 2026 The biological ventricular assist tissue in a patch, called BioVAT for short, was conceived as a bridge to either transplant, where wait times are long, or to implantation of a left ventricular assist device, or LVAD, in end-stage heart failure. Elizabeth Cooney, STAT, 27 May 2026 TokyoReuters — Toshifumi Suzuki, the founder of Seven-Eleven Japan and widely regarded as the father of Japan’s convenience store industry, died of heart failure on May 18, Seven & i Holdings said on Monday. Reuters 20 Hr Ago, CNN Money, 25 May 2026 Black women, Gregory said, seemed to have a higher incidence of peripartum cardiomyopathy, a rare form of heart failure arising during or shortly after pregnancy. Ariane Lange, Sacbee.com, 23 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 1 Jun. 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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