/ Thesaurus / R Synonyms of restraint of trade Find synonyms for: Noun1. restraint of trade, restraintusage: any act that tends to prevent free competition in businessWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language