[1] : The Collaborative International Dictionary of English v.0.48

calumnious \calum"nious\, a. l. calumniosus.
   containing or implying calumny; false, malicious, and
   injurious to reputation; slanderous; as, calumnious reports.
   1913 webster

         virtue itself 'scapes not calumnious strokes. --shak.

   syn: . slanderous; defamatory; scurrilous; opprobrious;
        derogatory; libelous; abusive. -- calum"niously,
        adv. -- calum"niousness, n.
        1913 webster
see also:
calum"niously calum"niousness 

[2] : WordNet (r) 2.0

calumnious
     adj : used of statements harmful and often untrue; tending to
           discredit or malign syn: calumniatory, defamatory,
            denigrative, denigrating, denigratory, libellous,
            libelous, slanderous
see also:
calumniatory defamatory denigrative denigrating denigratory libellous 
libelous slanderous 

Calumnious >> C Words
Calumnious, definition of term: Calumnious
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