Definition of In a heartbeat

1. Adverb. (idiomatic) Without hesitation or reservation; at once. ¹

¹ Source:

Lexicographical Neighbors of In A Heartbeat

in Dutch
in Dutch(p)
in God's name
in a bad way(p)
in a bake
in a beastly manner
in a big way
in a bind
in a broad way
in a canter
in a circle
in a cleft stick
in a family way
in a few shakes
in a flash
in a heartbeat (current term)
in a heartfelt way
in a higher place
in a hurry
in a jiffy
in a lather
in a league of one's own
in a low voice
in a manner of speaking
in a minute
in a moment
in a nutshell
in a one-er
in a oner
in a pickle

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