/ Dictionary / Index P polysyllabic: Meaning and Definition of Find definitions for: pol•y•syl•lab•ic Pronunciation: (pol"ē-si-lab'ik), [key] — adj. consisting of several, esp. four or more, syllables, as a word. characterized by such words, as a language, piece of writing, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: polysyllabic (Thesaurus) polysuspensoid polysyllable Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language