/ Dictionary / Index H heedful: Meaning and Definition of Find definitions for: heed•ful Pronunciation: (hēd'ful), [key] — adj. taking heed; attentive; mindful; thoughtful; careful: She was always heedful of others' needs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: heedful (Thesaurus) heed heedless Related Content Daily Word Quiz: beseech Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language