heartbeat

noun

heart·​beat ˈhärt-ˌbēt How to pronounce heartbeat (audio)
Synonyms of heartbeatnext
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.
To live with, and in, All of a Sudden is to match heartbeats with these two women for a few hours. Stephanie Zacharek, Time, 15 May 2026 On set, the actress bonded with her costars, including grabbing a glass of wine with Palmer, 32, and listening to then-pregnant Paige's baby's heartbeat. Rebecca Aizin, PEOPLE, 14 May 2026 Now in its 50th year, the festival takes over Druid Hill Park, a sprawling 745-acre green space that becomes the heartbeat of the city for the weekend. Shelby Stewart, Essence, 14 May 2026 Beyond that, much of what made the show such a winning romp through Heaven, Hell, and all the spaces in between can be credited to the work of Sheen and Tennant, whose charming performances as an otherworldly odd couple has given Good Omens its heartbeat from the start. Keith Phipps, Vulture, 13 May 2026 See All Example Sentences for heartbeat

Word History

First Known Use

1821, in the meaning defined at sense 1

Time Traveler
The first known use of heartbeat was in 1821

Browse Nearby Words

Cite this Entry

“Heartbeat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heartbeat. Accessed 20 May. 2026.

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

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