Lewis Short
mălĕdīcentĭa (noun F) : maledico
* An evil-speaking, abuse, scurrilousness (only in Gellius; syn. maledictio, procacitas): ob assiduam maledicentiam, et probra in principes civitatis,Gell. 3, 3, 15; 17, 14, 2.
Charlton T. Lewis, Charles Short, A Latin Dictionary