Breadcrumb Home > Thesaurus > P Synonyms of parasitism Find synonyms for: Noun1. parasitism, mutuality, interdependence, interdependencyusage: the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of parasitism (Dictionary) ✖ Related Content Daily Word Quiz: sepulture Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language