/ Dictionary / Index T twenty-six: Meaning and Definition of Find definitions for: twen•ty-six Pronunciation: (twen'tē-siks', twun'-), [key] — n. a cardinal number, 20 plus 6. a symbol for this number, as 26 or XXVI. a set of this many persons or things. —adj. amounting to 26 in number. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: twenty-six (Thesaurus) twenty-seventh twenty-sixth Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language