Definition of "whispering campaign" [whispering campaign]

• Alternative form of whisper campaign. (noun)

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• "And buffeted by opinion polls and a whispering campaign against his leadership, it took Brendan Nelson four days to say what he meant to say in the first place."
• "He was also petulant, nervous, prone to outbursts of anger, and as a rumored bisexual, the subject of a whispering campaign by the Marquess of Queensberry, the hunter of Oscar Wilde."