/ Dictionary / Index I insightful: Meaning and Definition of Find definitions for: in•sight•ful Pronunciation: (in'sīt"ful), [key] — adj. characterized by or displaying insight; perceptive. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: insightful (Thesaurus) insight insigne Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language