adjectiveimprŏpĕrusIMPROPERVS☆ KeepMeaningnot hastingLewis & Short 1879ModernAs printed, 1879IMPROPERUSLEWIS & SHORTIMPROPERUSimprŏpĕrus (inpr-), a, um, adj. 2. in-properus, I. not hasting, slow: sorores, Sil. 3, 96.Read the whole entry