Lewis Short
(adj.adv.) : lūdībrĭōsus, a, um, adj.ludibrium
* Full of mockery or scorn, mocking, scornful (post-class.): probra ludibriosa,Gell. 7, 11: auspicia,Amm. 15, 5, 25.—Hence, adv.: lūdībrĭosē, scornfully, Amm. 26, 6; Tert. Res. Carn. 61.
Charlton T. Lewis, Charles Short, A Latin Dictionary