aneurysm

noun

an·​eu·​rysm ˈan-yə-ˌri-zəm 

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

ˌan-yə-ˈriz-məl 

adjective

Examples of aneurysm in a Sentence

Recent Examples on the Web

When Batum was 2 and watching from the stands, his father, Richard, died at 31 from an aneurysm while standing at the free-throw line. —Jason Quick, The Athletic, 16 Jan. 2025

Adam Burgoyne, a 39-year-old resident of Montreal, Quebec, died on December 6 after suffering an aneurysm, according to an online obituary. —Stephan Pechdimaldji, Newsweek, 13 Dec. 2024

Brotherton said disaster struck when Price suffered an aneurysm and went into the hospital for several weeks. —Mars Salazar, Austin American-Statesman, 4 Dec. 2024

Problems with blood flow can lead to aneurysms (bulging due to weakness of the aorta's wall) or tearing. —Angela Ryan Lee, Health, 28 Dec. 2024

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

Medical Definition

aneurysm

noun

an·​eu·​rysm

variants also aneurism

ˈan-yə-ˌriz-əm 

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

aneurysmal adjective

also aneurismal

ˌan-yə-ˈriz-məl 

aneurysmally

-ē 

adverb