/ Dictionary / Index N nineteen: Meaning and Definition of Find definitions for: nine•teen Pronunciation: (nīn'tēn'), [key] — n. a cardinal number, ten plus nine. a symbol for this number, as 19 or XIX. a set of this many persons or things. to talk very rapidly or vehemently: Whenever I'm excited I talk nineteen to the dozen. —adj. amounting to nineteen in number. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nineteen (Thesaurus) nine-spot 1984* 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