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

Fitts has made three Cactus League starts for his new club, but Clarke won’t be game-ready until June; in February the Cardinals announced that the lefty, who reached High-A Greenville last season, underwent surgery to address an aneurysm in his pitching arm. —Gabrielle Starr, Boston Herald, 15 Mar. 2026

But Ike collapsed, nearly dying from a massive brain aneurysm. —Taylor Batten, Charlotte Observer, 13 Mar. 2026

But right before her graduation, Remedios’ father suffered a brain aneurysm. —Ella Gonzales march 12, Fort Worth Star-Telegram, 12 Mar. 2026

Doctors are certain that within a week, the injury will trigger a fatal aneurysm. —Ashlee Conour, Chicago Tribune, 11 Mar. 2026

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