Breadcrumb Home > Thesaurus > P Synonyms of parasitism Find synonyms for: Noun 1. parasitism, mutuality, interdependence, interdependency usage: 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) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: locution Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language