Lewis Short
(adj.adv.) : mălĕdĭcus, a, um, adj.maledico
* Foul-mouthed, abusive, scurrilous, slanderous (class.): conviciator maledicus,Cic. Mur. 6, 13: homines,Auct. Her. 2, 8, 12: maledicum esse in aliquem,Quint. 4, 1, 10. —Transf., of inanim. and abstr. things: civitas,Cic. Fl. 28, 48: lingua,Val. Max. 8, 9, 2: sermo,id. 7, 2, 6.—Hence, adv.: mă-lĕdĭcē, in a slanderous manner, abusively, scurrilously: maledice contumelioseque dicere,Cic. Off. 1, 37, 134; so, maledice ac maligne loqui,Liv. 45, 39, 16.
Charlton T. Lewis, Charles Short, A Latin Dictionary