Breadcrumb Home > Thesaurus > C Cite Synonyms of constrain Find synonyms for: Verb1. restrain, encumber, cumber, constrain, restrict, restrain, trammel, limit, bound, confine, throttleusage: hold back2. stiffen, tighten, tighten up, constrain, restrict, restrain, trammel, limit, bound, confine, throttleusage: restrict; "Tighten the rules"; "stiffen the regulations"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of constrain (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. April 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World Quetzalcoatl: Aztec Myths and Myths About the Aztecs Related Content Daily Word Quiz: ossify Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language