Lewis Short
vĭtŭpĕrātor (noun M) : id.
* A blamer, censurer, vituperator: invidos vituperatores confutare,Cic. N. D. 1, 3, 5: philosophiae,id. Fin. 1, 1, 2; id. Tusc. 2, 2, 4: vituperatores mei,id. Fam. 7, 3, 6.
Charlton T. Lewis, Charles Short, A Latin Dictionary