Lewis Short
(adjective) : dĭcax, ācis, 1. dico
* Talking sharply, satirical, sarcastic, acute, witty (class.): Demosthenes non tam dicax fuit quam facetus. Est autem illud acrioris ingenii, hoc majoris artis,Cic. Or. 26, 90; cf. Quint. 6, 3, 21; so with facetus,Cic. de Or. 2, 54, 221; id. Cael. 28, 67; with venustus and urbanus, *Catull. 22, 2; with lascivus, Caelius in Quint. 6, 3, 41; with cavillator,Plaut. Truc. 3, 2, 15 et saep.: Satyri,Hor. A. P. 225: dicax in aliquem,Cic. Phil. 2, 31 fin.: argutia,Gell. 12, 2 et saep.—Comp., Cic. de Or. 2, 60, 244; Liv. 32, 34, 3.—Sup., Petr. 113, 12.—Adv. does not occur.
Charlton T. Lewis, Charles Short, A Latin Dictionary