Lewis Short
(adjective) : noxĭōsus, a, um, noxia (postAug.).
* Very hurtful, injurious, or noxious: res,Sen. Ben. 7, 10, 1: noxiosissimo animali (al. noxissimo s. noxiissimo),id. Clem. 1, 26, 3.
* Full of guilt, vicious, sinful: animi perditi noxiosique, v. l. Sen. Ep. 70, 23: noxiosissimum corpus,Petr. 130, 7.
Charlton T. Lewis, Charles Short, A Latin Dictionary