Definition of in/at one fell swoop
- The court has dismissed all of the charges against him in one fell swoop.
: skin, hide, pelt
: a thin tough membrane covering a carcass directly under the hide
: to cut, knock, or bring down
: to sew (a seam) by folding one raw edge under the other and sewing flat on the wrong side
: past tense of fall
: fierce, cruel, terrible
: sinister, malevolent
: very destructive : deadly
: a high barren field or moor
What made you want to look up in/at one fell swoop? Please tell us where you read or heard it (including the quote, if possible).