THE IDIOM COLLECTION LEARN & PRACTISE
In a heartbeat
Understand the meaning. See it in context. Make it yours.
01 / UNDERSTAND
Meaning in plain English
Immediately and without hesitation.
02 / SEE IT IN CONTEXT
The expression in a sentence
- I would take that course again in a heartbeat.
03 / CHECK YOUR UNDERSTANDING
Quick idiom quiz
Try the question without looking back, then write a sentence of your own. You can retry as often as you like.
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Can you recall the expression?
Complete the example using the expression from this lesson.
I would take that course again ________.
Show the answer
In a heartbeat — Immediately and without hesitation.
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Make it yours
Write one sentence using “In a heartbeat” about your own life.
Check your sentence
Does your sentence match this meaning?
Immediately and without hesitation.
Compare: I would take that course again in a heartbeat.
Check the spelling and how the expression fits the sentence. Your example can be different.
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More ways to understand and use it
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When to use it
Use it to express a very quick, willing decision or response. It is natural in friendly conversation.
More examples in context
- If my friend needed help moving, I would say yes in a heartbeat.
- She accepted the chance to visit her old school in a heartbeat.
Usage note
It often appears with would to show willingness: “I would do it in a heartbeat.” It is figurative, not a precise unit of time.
A short conversation
A: Would you work with that team again?
B: In a heartbeat. They were supportive and organised.
A: That is a strong recommendation.
One more practice question
What does “I would go again in a heartbeat” mean?
A. I would gladly agree straight away.
B. I would refuse under every circumstance.
Check your answer
A. The speaker expresses immediate willingness.
Related lessons
Meaning and usage checked against Cambridge Dictionary. Explanations, examples and conversation are original.