in one fell swoop

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in one fell swoop

All at once, with a single decisive or powerful action. When the economy crashed, thousands lost their jobs, their homes, and their pensions in one fell swoop.
See also: fell, one, swoop

in (or at) one fell swoop

all in one go.
This expression comes from Macduff's appalled reaction to the murder of his wife and children in Shakespeare's Macbeth: ‘Oh hell-kite!…All my pretty chickens, and their dam At one fell swoop?’
See also: fell, one, swoop

at/in one fell ˈswoop

with a single action or movement; all at the same time: Only a foolish politician would promise to lower the rate of inflation and reduce unemployment at one fell swoop.
See also: fell, one, swoop
References in periodicals archive ?
John Hughes, the organisation's IT manager, said: "We've more than doubled our investment in CA-OpenIngres in one fell swoop to facilitate the implementation of new systems that will improve our operational effectiveness, particularly in relation to the prevention and detection of crime and victim support.
If we choose to use this revolutionary technology going forward, Wind River's pre-qualified BlueThunder(TM) solution would allow us to use the Bluetooth logo and patents, reducing risk, cost, and development time in one fell swoop.
The company achieved an improved operation, reduced its emissions, and obtained emission reduction credits, all in one fell swoop, by switching to low-NOx cell burners," said William Roller, Detroit Edison's Vice President Power Generation.
For the legislation to negate that in one fell swoop is contrary to our interests.
Adult owls that received this graded training shifted their mental maps by 53 percent of the amount of adjustment seen in juvenile owls -- the overlap between visual and hearing maps still wasn't perfect, but was much closer than in adult owls that tried to learn in one fell swoop.
In one fell swoop, MLG has proven that player management works for gaming while providing a model for future endorsements.
Compliance of any sort is not a finite event that companies can address in one fell swoop.
Today's Dallas Cowboys Note: If and when Jerry Jones gets around to telling Barry Switzer to store his side arms in another stadium, The Man believes the Cowboys' iconoclastic owner/master of ceremonies can restore discipline to his fallen franchise AND redress his biggest public relations gaffe in one fell swoop simply by hiring as his next head coach.