Breadcrumb Home > Dictionary > Index P permeable: Meaning and Definition of Find definitions for: per•me•a•ble Pronunciation: (pûr'mē-u-bul), [key] — adj. capable of being permeated. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: permeable (Thesaurus) permeability permeameter ✖ Related Content Daily Word Quiz: umbrage Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language