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

Even a routine brain scan — which they've been told could've prevented the aneurysm rupture in the first place — isn't something everyone can afford. —Zoey Lyttle, People.com, 7 May 2025

An aneurysm can rupture and bleed, which can be fatal. —Lana Barhum, Verywell Health, 14 Mar. 2025

Radiologists don’t want to scare off patients who can benefit from imaging, which plays a crucial role in identifying life-threatening conditions like cancers and aneurysms and guides doctors through complicated procedures. —Joanne Kenen, NBC News, 8 Mar. 2025

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

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