cardiac

1 of 2

adjective

car·​di·​ac ˈkär-dē-ˌak 

1

a

: of, relating to, situated near, or acting on the heart

b

: of or relating to the cardia of the stomach

2

: of, relating to, or affected with heart disease

cardiac patients

cardiac

2 of 2

noun

: a person with heart disease

Examples of cardiac in a Sentence

Recent Examples on the Web

Adjective

In a small study of 30 veterans who received ibogaine paired with intravenous magnesium to protect the heart, no serious cardiac events were reported. —Jennifer Jacobs, CBS News, 16 Apr. 2026

Classical music festivals, meanwhile, tend to have more cardiac events, given the older average age of attendees. —ABC News, 12 Apr. 2026

Noun

That causes cardiac, metabolic, and other downstream health effects. —Jeffrey Kluger, Time, 5 Mar. 2026

Through seven surgeries and countless complications, the experience showed me what true resilience is and reminded me that the impossible is possible (shoutout to the MGH cardiac ICU and entire cardiac team). —Dalton Ross, Entertainment Weekly, 28 Jan. 2026

Word History

Etymology

Adjective

Latin cardiacus, from Greek kardiakos, from kardia

First Known Use

Adjective

14th century, in the meaning defined at sense 1a

Noun

1896, in the meaning defined above

Phrases Containing cardiac

• cardiac arrest
• cardiac catheterization
• cardiac muscle

Rhymes for cardiac

• almanac
• camelback
• carryback
• cluniac
• diamondback
• lumberjack
• maniac
• paperback
• piggyback
• quarterback
• saddleback
• stickleback

Kids Definition

cardiac

adjective

car·​di·​ac

ˈkärd-ē-ˌak

: of, relating to, situated near, or acting on the heart

Medical Definition

cardiac

1 of 2 adjective

car·​di·​ac ˈkärd-ē-ˌak 

1

a

: of, relating to, situated near, or acting on the heart

b

: of or relating to the cardia of the stomach

2

: of, relating to, or affected with heart disease

cardiac

2 of 2 noun

: an individual with heart disease