in a heartbeat

idiom

Definition of in a heartbeat 

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.

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Dictionary Entries near in a heartbeat

in a good light

in agreement

Inagua

in a heartbeat

in a huff

in aid of

inaja

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not any or not one

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