a. 惯于中伤的, 惯于诬蔑的

[ adj ]
(used of statements) harmful and often untrue; tending to discredit or malign
<adj.all>

Calumnious \Ca*lum"ni*ous\, a. [L. calumniosus.]
Containing or implying calumny; false, malicious, and
injurious to reputation; slanderous; as, calumnious reports.

Virtue itself 'scapes not calumnious strokes. --Shak.

Syn: . Slanderous; defamatory; scurrilous; opprobrious;
derogatory; libelous; abusive. -- {Ca*lum"ni*ous*ly},
adv. -- {Ca*lum"ni*ous*ness}, n.