/ Dictionary / Index M monosyllabic: Meaning and Definition of Find definitions for: mon•o•syl•lab•ic Pronunciation: (mon"u-si-lab'ik), [key] — adj. having only one syllable, as the word no. having a vocabulary composed primarily of monosyllables or short, simple words. very brief; terse or blunt: a monosyllabic reply. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: monosyllabic (Thesaurus) monosubstituted monosyllabism Related Content Daily Word Quiz: abdicate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language