/ Dictionary / Index H high noon: Meaning and Definition of Find definitions for: high' noon' Pronunciation: [key] the exact moment of noon. the high point of a stage or period; peak; pinnacle: a book written at the high noon of his career. a crisis or confrontation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. highness high-occupancy vehicle Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language