/ Dictionary / Index S sermonize: Meaning and Definition of Find definitions for: ser•mon•ize Pronunciation: (sûr'mu-nīz"), [key] — v., -ized, -iz•ing. —v.i. to deliver or compose a sermon; preach. —v.t. to give exhortation to; lecture. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sermonize (Thesaurus) sermonic Sermon on the Mount Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language