heartbeat

noun

heart·​beat ˈhärt-ˌbēt How to pronounce heartbeat (audio)
1
: one complete pulsation of the heart
2
: the vital center or driving impulse
3
: a brief space of time : flash
used chiefly in the phrase in a heartbeat

Examples of heartbeat in a Sentence

The patient had a rapid heartbeat. I'd accept a job offer from that company in a heartbeat.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The emotional heartbeat of the gang, Cancer is the one hugging people after blindsides and crying at the final tribal. Valerie Mesa, People.com, 31 May 2025 The app detects arrhythmias and irregular heartbeats, early signs of heart failure, indicators of coronary artery disease and heart valve abnormalities. Ramsha Waseem, Smithsonian Magazine, 30 May 2025 That’s barely a heartbeat for a company valued like a hyper-growth tech entity. Trefis Team, Forbes.com, 28 May 2025 Ferguson, its heartbeat along with fellow midfielder Remo Freuler, ended the final with a bloody nose, having slid in on Milan’s best player Rafael Leao and taken a kick in the face for his trouble. James Horncastle, New York Times, 15 May 2025 See All Example Sentences for heartbeat

Word History

First Known Use

1850, in the meaning defined at sense 1

Time Traveler
The first known use of heartbeat was in 1850

Browse Nearby Words

Cite this Entry

“Heartbeat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heartbeat. Accessed 5 Jun. 2025.

Kids Definition

heartbeat

noun
heart·​beat ˈhärt-ˌbēt How to pronounce heartbeat (audio)
: a single contracting and expanding of the heart

Medical Definition

heartbeat

noun
heart·​beat ˈhärt-ˌbēt How to pronounce heartbeat (audio)
: one complete pulsation of the heart

More from Merriam-Webster on heartbeat

Last Updated: - Updated example sentences
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