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Flat out

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Intensity Emphasis

Used to stress the effort or speed someone is applying in their action.

Illustration for Intensity Emphasis
He was running flat out to catch the bus.
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Not Literal

It's an expression and doesn't mean someone is physically flat or out.

Illustration for Not Literal
Even though she was tired, she danced flat out.
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Time Sensitive

Often suggests a sense of urgency or a race against time.

Illustration for Time Sensitive
The team is working flat out to finish the project on time.
Visual representation of the word "Flat out"

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