/ Dictionary / Index N ninety-eight: Meaning and Definition of Find definitions for: nine•ty-eight Pronunciation: (nīn'tē-āt'), [key] — n. a cardinal number, 90 plus 8. a symbol for this number, as 98 or XCVIII. a set of this many persons or things. —adj. amounting to 98 in number. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ninety-eight (Thesaurus) ninety-day wonder ninety-eighth Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language