Definition of "badmouthing" [badmouthing]

• Present participle of badmouth. (verb)

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• "Oscar, posting facts about life -- wherever that life is lived -- is not "badmouthing" one's location."
• "CZ: A recent story in the NY Times hinted at jabs "badmouthing"The King's Speech."
• "The negatively influenced social self-image may originate particularly from "badmouthing" general practitioners at universities and in hospitals."