/ Dictionary / Index H hourlong: Meaning and Definition of Find definitions for: hour•long Pronunciation: (our'lông", -long", ou'ur-), [key] — adj. lasting an hour: an hourlong interview. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hourlong (Thesaurus) houri hourly Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language