/ Dictionary / Index H hi-res: Meaning and Definition of Find definitions for: hi-res Pronunciation: (hī'rez'), [key] — adj. Computers Informal. high-resolution (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hi-res (Thesaurus) hire-purchase system hiring hall Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language