transitive verb (-ated; -ating) Date: 1554 to utter maliciously false statements, charges, or imputations about, to injure the reputation of by calumny, see: malign calumniation noun calumniator noun
CALUMNIATE
Meaning of CALUMNIATE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012