Language: en
Meaning: (idiomatic,proscribed)(Achievedorcompleted) with asingleaction; in a single stroke.1915November 18,The Labor Call, page10:The acquiescence of the party as the result of hasty and immature deliberation, is indicative of a supreme contempt of comrades, and vitiatesin one foul swoopthe conditions that regulate the movement.2013, Chris J. Berry,The Celestial Window[1], page22:All their suspicions had evaporatedin one foul swoopby Neil's announcement, and was now confirmed by a document that if they signed, asked them to become trustees of Neil's charity.2017, BJ Harvey,One Shot[2], page59:I need to get it all out at once, inflicting the damagein one foul swoopbefore facing the fallout left in my wake.
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