/ Dictionary / Index T twenty-four: Meaning and Definition of Find definitions for: twen•ty-four Pronunciation: (twen'tē-fôr', -fōr', twun'-), [key] — n. a cardinal number, 20 plus 4. a symbol for this number, as 24 or XXIV. a set of this many persons or things. —adj. amounting to 24 in number. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: twenty-four (Thesaurus) twentyfold twenty-fourmo Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language