/ Dictionary / Index N ninety-eighth: Meaning and Definition of Find definitions for: nine•ty-eighth Pronunciation: (nīn'tē-ātth', -āth'), [key] — adj. next after the ninety-seventh; being the ordinal number for 98. being one of 98 equal parts. —n. a ninety-eighth part, esp. of one (). the ninety-eighth member of a series. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ninety-eight ninety-fifth 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