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

The foundation supports families affected by strokes and brain aneurysms, reflecting Augustine’s commitment to community and personal legacy. —Rosy Cordero, Deadline, 22 Apr. 2025

In theory, scanning the entire body could reveal tumors, cysts, aneurysms, fatty liver or degenerative disease before symptoms emerge. —Jesse Pines, Forbes.com, 13 Apr. 2025

This damage can result in coronary heart disease, hypertension, heart attack, stroke, aneurysms and peripheral artery disease. —Greta Cross, USA TODAY, 21 Mar. 2025

Beck, 28, spent much of last season recovering from an aneurysm in his right shoulder but pitched well upon returning (1.69 ERA, seven games, one start). —Justice Delos Santos, The Mercury News, 19 Feb. 2025

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

Rhymes for aneurysm

• alyssum
• cataclysm

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