falsĭdĭcus — Lewis & Short
falsĭdĭcus, a, um, adj.falsus-dico,
I speaking falsely, lying (ante- and postclass.):
fallaciae,Plaut. Capt. 3, 5, 13; id. Trin. 3, 3, 40; Att. ap. Prisc. p. 709; Aus. Epigr. 118, 17.