I.criminal, villainous, atrocious, vicious (rare but class.): “quintum genus est parricidarum, sicariorum, denique omnium facinorosorum,” Cic. Cat. 2, 10, 22; id. Cael. 6, 13; id. de Or. 2, 58, 237; id. Rep. 3, 17: “injuriosa facinorosaque vita,” id. Leg. 1, 14, 40: “impius et facinorosus animus,” Just. 24, 2, 1.—Comp.: “facinorosior,” id. 16, 4.—Sup.: “facinorosissimi sicarii,” Cic. Sest. 38, 81; Vulg. 2 Macc. 8, 34.—Adv.: făcĭ-nŏrōse , viciously, scandalously, August. Inn. 76, 1; id. cont. Sec. Resp. Jul. 5, 64.
făcĭnŏrōsus (facinĕrosus ), a, um, adj. facinus,