/ Thesaurus / L Synonyms of liberty party Find synonyms for: Noun1. Liberty Party, party, political partyusage: a former political party in the United States; formed in 1839 to oppose the practice of slavery; merged with the Free Soil Party in 1848WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language