/ Dictionary / Index P prosaism: Meaning and Definition of Find definitions for: pro•sa•ism Pronunciation: (prō-zā'iz-um), [key] — n. prosaic character or style. a prosaic expression. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prosaic prosaist Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language