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

In May 2023, Jackie Miller James suffered a life-threatening aneurysm at 39 weeks pregnant Comments NEED TO KNOW In 2023, Jackie Miller James suffered a ruptured aneurysm at 39 weeks pregnant. —Zoey Lyttle, People.com, 7 May 2025

Here’s the proposition for the benefit of having the scan: if the MRI catches a cancer early or detects hidden aneurysms, resulting treatments may improve health and longevity. —Jesse Pines, Forbes.com, 13 Apr. 2025

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

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