calumniously

/kəˈlʌmniəsli/
adverb
  1. In a manner that makes false and harmful statements about someone; slanderously.
    • He calumniously accused his coworker of stealing, but the security footage proved otherwise.
    • She spoke calumniously about her neighbor, repeating lies she had heard from others.
    • The newspaper calumniously reported that the mayor had taken bribes, leading to a lawsuit.
Antonyms
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