Definition of in or at one fell swoop in English:

in (or at) one fell swoop

All in one go: in one fell swoop they exceeded the total number of tries scored last year
[from Shakespeare's Macbeth ( iv. iii. 219)]
More example sentences
  • Freedom and privacy rarely, if ever, disappear in one fell swoop.
  • And in one fell swoop, all the things I had to remember her by were gone.
  • In one fell swoop fuel has been added to the fire of community disillusion with its political appointees.
See parent entry: fell

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Word of the day ween
Pronunciation: wiːn
be of the opinion; think or suppose