calumniate

 
Pronunciation: /kəˈlʌmnɪeɪt/

verb

[with object] formal
  • make false and defamatory statements about: he has been calumniating the Crown and all the conservative decencies

Derivatives

calumniation

Pronunciation: /-ˈeɪʃ(ə)n/
noun

calumniator

noun

Origin:

mid 16th century: from Latin calumniari, from calumnia (see calumny)