/ Dictionary / Index P polygamist: Meaning and Definition of Find definitions for: po•lyg•a•mist Pronunciation: (pu-lig'u-mist), [key] — n. a person who practices or favors polygamy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: polygamist (Thesaurus) polygamic polygamophile Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language