calumniate (v.)Related entries & more
calumniation (n.)Related entries & more
"act of caluminating," 1540s, noun of action from calumniate (v.).
calumniator (n.)Related entries & more
"one who falsely and knowingly accuses another of anything disgraceful or maliciously propagates false reports," 1560s, from Latin calumniator, agent noun from calumniari "to accuse falsely" (see calumniate (v.)). Related: Calumniatory.