/ Dictionary / Index A ace-high: Meaning and Definition of Find definitions for: ace-high Pronunciation: (ās'hī', -hī"), [key] — adj. (of a poker hand) having an ace as the highest card. held in high esteem: He has an ace-high reputation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acedia ACE inhibitor Related Content Daily Word Quiz: cosmology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language