/ Dictionary / Index S sectarianize: Meaning and Definition of Find definitions for: sec•tar•i•an•ize Pronunciation: (sek-târ'ē-u-nīz"), [key] — -ized, -iz•ing. to make sectarian. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sectarianism sectary 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