an·​eu·​rysm | \ ˈan-yə-ˌri-zəm How to pronounce aneurysm (audio) \
variants: or less commonly aneurism

Definition of aneurysm

: an abnormal blood-filled bulge of a blood vessel and especially an artery resulting from weakening (as from disease) of the vessel wall

Other Words from aneurysm

aneurysmal \ ˌan-​yə-​ˈriz-​məl How to pronounce aneurysm (audio) \ adjective

Examples of aneurysm in a Sentence

Recent Examples on the Web Thinking possibly a aneurysm, stroke, or maybe a seizure. Jacob Biba, The New Republic, 4 Jan. 2022 Betty had surgery, a stroke in the hospital, and more surgery after a second aneurysm was found years later. Los Angeles Times, 28 Dec. 2021 Polycystic kidney disease may affect the brain, and lead to an aneurysm, or burst blood vessel that could turn into a life-threatening stroke. Hallie Levine,, 19 Nov. 2021 His cause of death was a pulmonary embolism due to an abdominal aortic aneurysm that had ruptured. Martha Sorren,, 25 Aug. 2021 Cameron, 28, formed the charity with his younger brothers Ryan and Austin to honor their mother, who tragically died of a brain aneurysm in 2020 at the age of 55. Topher Gauk-roger,, 5 Nov. 2021 The cause was an abdominal aneurysm, his friend Fred Hogan said. Sam Roberts, New York Times, 11 Nov. 2021 Edwards had suffered a subarachnoid hemorrhage, which is bleeding from a vein, unlike a stroke or aneurysm, which involves a torn or blocked artery. Diane Bell Columnist, San Diego Union-Tribune, 30 Oct. 2021 King suffered a brain aneurysm before the 1978-79 season and Hodges was named his replacement. Dana Hunsinger Benbow, The Indianapolis Star, 17 Nov. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aneurysm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of aneurysm

15th century, in the meaning defined above

History and Etymology for aneurysm

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

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Time Traveler for aneurysm

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

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Last Updated

13 Jan 2022

Cite this Entry

“Aneurysm.” Dictionary, Merriam-Webster, Accessed 18 Jan. 2022.

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More Definitions for aneurysm


variants: also aneurism \ ˈan-​yə-​ˌriz-​əm How to pronounce aneurysm (audio) \

Medical Definition of aneurysm

: an abnormal blood-filled dilatation of a blood vessel and especially an artery resulting from disease of the vessel wall

Other Words from aneurysm

aneurysmal also aneurismal \ ˌan-​yə-​ˈriz-​məl How to pronounce aneurysm (audio) \ adjective
aneurysmally \ -​ē How to pronounce aneurysm (audio) \ adverb

More from Merriam-Webster on aneurysm

Nglish: Translation of aneurysm for Spanish Speakers

Britannica English: Translation of aneurysm for Arabic Speakers Encyclopedia article about aneurysm


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