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.
Anyway, because of the *slightly* complex situation with the aneurysm (nothing bad, just not typical), it wasn’t coiled that weekend. Ashley Hume, FOXNews.com, 15 Oct. 2025 Coiling is a procedure used to block blood flow to the aneurysm, which is a weakened or bulging artery wall, John Hopkins Medicine explains. Cara Lynn Shultz, PEOPLE, 14 Oct. 2025 The surgery is done as a preventative to keep the aneurysm from rupturing. J. Kim Murphy, Variety, 14 Oct. 2025 Lolita became the park’s main attraction, while Hugo died in 1980 from a brain aneurysm, possibly from the years of ramming his head into the tank known as the Whale Bowl. Milena Malaver, Miami Herald, 13 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 24 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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