/ Dictionary / Index H headstrong: Meaning and Definition of Find definitions for: head•strong Pronunciation: (hed'strông", -strong"), [key] — adj. determined to have one's own way; willful; stubborn; obstinate: a headstrong young man. proceeding from or exhibiting willfulness: a headstrong course. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: headstrong (Thesaurus) headstream heads up 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