Breadcrumb Home > Thesaurus > P Synonyms of pollute Find synonyms for: Verb1. pollute, foul, contaminate, dirty, soil, begrime, grime, colly, bemireusage: make impure; "The industrial wastes polluted the lake"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of pollute (Dictionary) ✖ Related Content Daily Word Quiz: tendentious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language