Lewis & Short

inconfūsĭbĭlis, e, adj. [2. in-confusus], that cannot be embarrassed or confused (late Lat.): operarius, Vulg. 2 Tim. 2, 15.
Adv.: inconfūsĭbĭlĭter, without confusion: misceri, Claud. Mam. Stat. An. 1, 15.