/ Dictionary / Index L Liberty party: Meaning and Definition of Find definitions for: Lib'erty par"ty Pronunciation: [key] — U.S. Hist. U.S. Hist. the first antislavery political party, organized in 1839 and merged with the Free Soil party in 1848. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. liberty of the press liberty pole Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language