Lewis & Short

imprōtectus (inpr-), a, um, adj. [2. in-protectus], uncovered, undefended, unprotected (post-class.): ne improtectum Mesopotamiae relinqueret latus, Amm. 21, 13; 31, 13: imparatus improtectusque, Gell. 13, 27 fin.; 7, 3, 44.