adjectiveimpermĕābĭlisIMPERMEABILIS☆ KeepMeaningnot to be passed throughLewis & Short 1879ModernAs printed, 1879IMPERMEABILISLEWIS & SHORTIMPERMEABILISimpermĕābĭlis, e, adj. 2. in-permeabilis, I. not to be passed through, not traversable: oceani fines, Jorn. Get. 1.Read the whole entry