Cardiac
adjective /ˈkɑːr.di.æk/ — Of or relating to the heart
Definition
Relating to the heart — both the organ and, by extension, the seat of feeling. Cardiac medicine concerns the heart's function; cardiac feelings are at the heart of experience. The word bridges anatomy and emotion.
Beyond the definition
Cardiac is the medical word that carries the most emotional weight — every culture locates feeling in the heart, and the word for the heart's medicine is therefore the word for the body's most symbolically loaded organ.
Origin & history
Greek: kardia (heart). The same root as 'care' and 'courage' — all pointing to the heart as the seat of both vital function and emotional life.
Example sentences
Illustrative sentences for learning, not verified community posts or sourced quotations.
His cardiac health was excellent. His emotional health was a different matter entirely.
Cardiac arrest stops more than the heart — it ends the narrative of a person.
The cardiac metaphor runs through every language because every culture feels in the chest.
How to use it
This entry uses an adjective. Follow the examples for the nouns it describes and its position in the sentence.
Choose “Cardiac” when the meaning fits your context: Relating to the heart — both the organ and, by extension, the seat of feeling. Cardiac medicine concerns the heart's function; cardiac feelings are at the heart of experience. The word bridges anatomy and emotion.
Synonyms
of the heart, heart-related
Related words
Cardiac vs heart
Cardiac is the medical/technical adjective used for conditions related to the heart. Heart is the common anatomical term used in general language.
Word in the Wild
See how this word appears in life, language and stories.
Illustrative sentences and imagined stories for learning — not verified sightings, interviews, or sourced quotations.
Fictional scene
Transitional Time of Heart
An adult stands on a hill looking out at both crumbling ruins and modern buildings.
The transition between historical eras captures the metaphorical 'heart' of experience. Cardiac relates to the heart as both a physical organ and the seat of deep emotion, bridging the gap between historical reality and our internal, emotional response.
Image credit: Wordspun · AI-generated conceptual illustration
Questions about this word
What does "Cardiac" mean?
Cardiac is adjective meaning: Of or relating to the heart. Relating to the heart — both the organ and, by extension, the seat of feeling. Cardiac medicine concerns the heart's function; cardiac feelings are at the heart of experience. The word bridges anatomy and emotion.
Where does the word "Cardiac" come from?
Greek: kardia (heart). The same root as 'care' and 'courage' — all pointing to the heart as the seat of both vital function and emotional life.