/ Thesaurus / M Synonyms of missouri compromise Find synonyms for: Noun1. Missouri Compromiseusage: an agreement in 1820 between pro-slavery and anti-slavery factions in the United States concerning the extension of slavery into new territoriesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language