/ Dictionary / Index P proselytism: Meaning and Definition of Find definitions for: pros•e•lyt•ism Pronunciation: (pros'u-li-tiz"um, -lī-), [key] — n. the act or fact of becoming a proselyte; conversion. the state or condition of a proselyte. the practice of making proselytes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: proselytism (Thesaurus) proselyte proselytize Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language