Calumniate

v. t. [imp. & p. p. CALUMNIATED; p. pr. & vb. n. CALUMNIATING.] [Lat. calumniari.] To accuse or charge falsely and knowingly with some crime, offense, or something disreputable; to slander. “Calumniated by apostates.” Macaulay.

Synonyms—To asperse; slander; defame; vilify; detract from; accuse falsely; traduce; belie; bespatter; blacken; backbite; libel; lampoon. See ASPERSE.