/ Dictionary / Index P purposeful: Meaning and Definition of Find definitions for: pur•pose•ful Pronunciation: (pûr'pus-ful), [key] — adj. having a purpose. determined; resolute. full of meaning; significant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: purposeful (Thesaurus) purpose purposeless Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language