improperus
Latin > English (Lewis & Short)
imprŏpĕrus: (inpr-), a, um, adj. 2. in-properus,
I not hasting, slow: sorores, Sil. 3, 96.
Latin > French (Gaffiot 2016)
imprŏpĕrus, a, um, qui ne se hâte pas : Sil. 3, 96.
Latin > German (Georges)
improperus, a, um (in u. properus), langsam, zögernd, Sil. 3, 96.