/ Dictionary / Index H hot-blooded: Meaning and Definition of Find definitions for: hot-blood•ed Pronunciation: (hot'blud'id), [key] — adj. excitable; impetuous. ardent, passionate, or virile. adventuresome, exciting, or characterized by adventure and excitement. (of livestock) of superior or pure breeding. (of horses) being a Thoroughbred or having Arab blood. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hot-blooded (Thesaurus) hot bed hotbox Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language