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.
Vance is the first millennial to stand a heartbeat from the presidency. Francesca Chambers, USA Today, 18 May 2025 Lisa Schein, 43, placed a stethoscope on Mireya Moody’s chest and listened carefully to the heartbeat that once belonged to her own daughter, Maddy. Tereza Shkurtaj, People.com, 17 May 2025 In a stroke of good luck though, Smith’s unborn child had a healthy heartbeat, the doctor said. Madeline Buckley, Chicago Tribune, 15 May 2025 The court sided with the state, which argued the heartbeat begins about six weeks into a pregnancy. Andrew Stanton, MSNBC Newsweek, 14 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 24 May. 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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