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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In total, the studies included nearly 2,700 participants free of chronic diseases such as type 2 diabetes, coronary artery disease, and heart failure. Cathy Nelson, Health, 14 May 2026 In those cases, staph can lead to blood infections, pneumonia, heart failure or stroke, or bone and joint infection and life-threatening conditions like sepsis and septic shock. Saman Shafiq, USA Today, 13 May 2026 Then a teenager, Nortch was experiencing heart failure. Wendy Grossman Kantor, PEOPLE, 13 May 2026 Symptoms start with a flu-like illness and can progress quickly to intense inflammation in the lungs that leads to lung and heart failure. Daniel Pastula, The Conversation, 7 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 21 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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