At/in one fell swoop

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idiom

All at once, in a single action.

She finished all her homework at one fell swoop.
Visual representation of "at/in one fell swoop" - All at once, in a single action.

Often appears as...

  • finish at one fell swoop
  • accomplish at one fell swoop

Usage tips

Idiomatic

Definition 1 of 1
Visual representation of "at/in one fell swoop"
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Dramatic Effect

The phrase often adds drama, emphasizing the speed and completeness of an action.

Illustration for Dramatic Effect
The magician made the birds vanish at one fell swoop.
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Negative Connotation

Can imply something negative, like a sudden disaster or loss.

Illustration for Negative Connotation
The company's assets were seized at one fell swoop by the authorities.
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Historical Origin

Originated from Shakespeare's Macbeth; often used in literary or historical contexts.

Illustration for Historical Origin
In her lecture, she quoted Macbeth, referring to life's fleeting moments 'at one fell swoop.'
Visual representation of the word "At/in one fell swoop"

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