in a heartbeat

idiom

US, informal
: in a very brief time : without any delay or hesitation
Even though the job was difficult, he says he'd agree to do it again in a heartbeat.

Dictionary Entries Near in a heartbeat

Cite this Entry

“In a heartbeat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20a%20heartbeat. Accessed 3 Feb. 2023.

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