maledicent

from The Collaborative International Dictionary of English v.0.48

Maledicent \Mal`e*di"cent\, a. [L. maledicens, p. pr. of
   maledicere to speak ill; male ill + dicere to say, speak. See
   {Malice}, and {Diction}.]
   Speaking reproachfully; slanderous. [Obs.] --Sir E. Sandys.
   [1913 Webster]