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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Abramovitz strongly advised certain groups to steer clear of this trend, including those with kidney disease, liver disease, high blood pressure, or other cardiac issues like heart failure. Currie Engel, Health, 19 Feb. 2026 Recognition can be challenging because symptoms overlap with other conditions, including heart attack, heart failure, pneumonia, anxiety or musculoskeletal chest pain. Katia Hetter, CNN Money, 18 Feb. 2026 Right-sided heart failure is far less common, according to WebMD. Assistant Editor, Los Angeles Times, 17 Feb. 2026 Research has linked the condition with a four times higher risk of future incident heart failure and a two-times higher risk of stroke and coronary heart disease. Helen Carefoot, Flow Space, 16 Feb. 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 23 Feb. 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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