/ Dictionary / Index H high time: Meaning and Definition of Find definitions for: high' time' Pronunciation: [key] the appropriate time or past the appropriate time: It's high time he got out of bed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. high tide high-toned Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language