Lewis Short
(adj.adv.) : discordĭōsus, a, um, adj.discordia
* Full of discord, prone to discord (very rare; cf. discors and v. Krebs, Antibarb. p. 369): volgus seditiosum atque discordiosum, * Sall. J. 66, 2: domus,Sid. Ep. 6, 2.— Hence, adv.: discordĭōsē, in a spirit of discord, Aug. Bapt. 3, 15, 20.
Charlton T. Lewis, Charles Short, A Latin Dictionary