Heartbeat
//ˈhɑɹtˌbit// noun
noun ·Moderate ·High school level
Definitions
Noun
- 1 One pulsation of the heart; especially an irregular one, hence the emotion which causes it.
"The policeman waited for a heartbeat in vain."
- 2 an animating or vital unifying force wordnet
- 3 The rhythm at which a heart pulsates, a cardiac indicator.
"If your heartbeat doesn't normalize soon, consult a doctor!"
- 4 the rhythmic contraction and expansion of the arteries with each beat of the heart wordnet
- 5 A driving impulse or vital force; the vital center of something.
"Music is the heartbeat of the people."
Show 3 more definitions
- 6 a very short time (as the time it takes the eye to blink or the heart to beat) wordnet
- 7 A very short space of time; an instant.
"The ambulance arrived in a heartbeat."
- 8 A periodic signal generated by hardware or software to indicate normal operation or to synchronize other parts of a system.
Example
More examples"The doctor monitored the patient's heartbeat and blood pressure."
Etymology
From heart + beat.
Related phrases
More for "heartbeat"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.