Calumniate

v. i.	1.	To accuse falsely and maliciously of a crime or offense, or of something disreputable; to slander; to libel. [imp. & p. p. Calumniated; p. pr. & vb. n. calumniating.] Hatred unto the truth did always falsely report and calumniate all godly men's doings. - Strype. Syn To asperse; slander; defame; vilify; traduce; belie; bespatter; blacken; libel. See Asperse.
	1.	To propagate evil reports with a design to injure the reputation of another; to make purposely false charges of some offense or crime.

Verb

1.

calumniate - charge falsely or with malicious intent; attack the good name and reputation of someone; "The journalists have defamed me!" "The article in the paper sullied my reputation" Synonyms: asperse, besmirch, defame, slander, smirch, denigrate, sully, smear

accuse, asperse, aspersion, assassinate, badmouth, besmirch, calumny, charge, defamation, defame, denigrate, denigration, drag through the mud, hatchet job, libel, malign, obloquy, slander, smear, smirch, sully, traduce, traducement