Breadcrumb Home > Thesaurus > P Synonyms of penetrability Find synonyms for: Noun1. penetrability, perviousness, qualityusage: the quality of being penetrable (by people or light or missiles etc.)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: legerdemain Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language