/ Dictionary / Index M monosyllabism: Meaning and Definition of Find definitions for: mon•o•syl•la•bism Pronunciation: (mon"u-sil'u-biz"um), [key] — n. monosyllabic character. the use of monosyllables. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. monosyllabic monosyllable Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language