Calumnious

a.

1.

Containing or implying calumny; false, malicious, and injurious to reputation; slanderous; as, calumnious reports. Virtue itself 'scapes not calumnious strokes. - Shak.

Adj.

1.

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

calumniatory, defamatory, denigrating, denigrative, denigratory, harmful, libellous, libelous, slanderous