calumnious

(s) (used of statements) harmful and often untrue; tending to discredit or malign calumniatory, defamatory, denigrating, denigrative, denigratory, libellous, libelous, slanderous,

Synonyms

calumniatory defamatory denigrating denigrative denigratory libellous libelous slanderous

Words of close approximity

calumniously