English

Noun

one fell swoop ‎(uncountable)

1. (idiomatic) One stroke; one action or event with many results.

   Changing the oil lubricates the engine and removes debris in one fell swoop.

   • 1605, William Shakespeare, Macbeth, act iv, scene 3:

     What, All my pretty Chickens, and their Damme
     At one fell ſwoope?

   • 1922, James Joyce, Ulysses, Episode 16:

     ...they might be hanging about there or simply marauders ready to decamp with whatever boodle they could in one fell swoop at a moment's notice, your money or your life, leaving you there to point a moral, gagged and garrotted.

Translations

See also

• at one stroke
• kill two birds with one stone