Lewis Short
(adjective) : per-rīdĭcŭlus, a, um
* Very laughable, very ridiculous: doctrina,Cic. de Or. 2, 19, 77; Val. Max. 9, 12, 8.—Adv.: perrī-dĭcŭlē, very laughably, very ridiculously, Cic. de Or. 2, 59, 239: perridicule homines augurabantur,Cic. Verr. 2, 2, 6, § 18 Zumpt, N. cr.
Charlton T. Lewis, Charles Short, A Latin Dictionary