/ Thesaurus / T Synonyms of trade unionism Find synonyms for: Noun1. unionism, trade unionism, labor movement, trade union movement, laborusage: the system or principles and theory of labor unionsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language