Breadcrumb Home > Thesaurus > P Synonyms of permeability Find synonyms for: Noun1. permeability, permeableness, porosity, porousnessusage: the property of something that can be pervaded by a liquid (as by osmosis or diffusion)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of permeability (Dictionary) ✖ Related Content Daily Word Quiz: taradiddle Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language