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.
Synonyms
See parent entry: fell

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day salmanazar
Pronunciation: ˌsalməˈneɪzə
noun
a wine bottle twelve times the standard size...