/ Dictionary / Index N noon: Meaning and Definition of Find definitions for: noon Pronunciation: (nn), [key] — n. midday. twelve o'clock in the daytime. the highest, brightest, or finest point or part: the noon of one's career. midnight: the noon of night. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: noon (Thesaurus) nooky noonday Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language