aneurysm

noun

an·​eu·​rysm ˈan-yə-ˌri-zəm How to pronounce aneurysm (audio)
variants or less commonly aneurism
: an abnormal blood-filled bulge of a blood vessel and especially an artery resulting from weakening (as from disease) of the vessel wall
aneurysmal adjective

Examples of aneurysm 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.
In 2022, at age 48, Wahl would die suddenly of an aortic aneurysm while covering the FIFA World Cup in Qatar. Kansas City Star, 27 Oct. 2025 Any aneurysm has the potential to rupture, which can lead to serious complications such as stroke, brain injury, coma or death. Lucy Notarantonio, MSNBC Newsweek, 27 Oct. 2025 Kim Kardashian revealed she’s been diagnosed with a small brain aneurysm, and seems to have suggested it may be linked to stress. Sohaib Imtiaz, Health, 25 Oct. 2025 Knowing the family history for aneurysms is important, Arthur added, as it’s recommended to get a screening exam, or MRI, if two close relatives have had them. Angelica Stabile, FOXNews.com, 25 Oct. 2025 See All Example Sentences for aneurysm

Word History

Etymology

Greek aneurysma, from aneurynein to dilate, from ana- + eurynein to stretch, from eurys wide — more at eury-

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of aneurysm was in the 15th century

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Cite this Entry

“Aneurysm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aneurysm. Accessed 28 Oct. 2025.

Medical Definition

aneurysm

noun
an·​eu·​rysm
variants also aneurism
: an abnormal blood-filled dilatation of a blood vessel and especially an artery resulting from disease of the vessel wall
aneurysmal adjective
also aneurismal
aneurysmally adverb

More from Merriam-Webster on aneurysm

Last Updated: - Updated example sentences
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