/ Dictionary / Index N nonnegative: Meaning and Definition of Find definitions for: non•neg•a•tive Pronunciation: (non-neg'u-tiv), [key] — adj. Math. (of a real number) greater than or equal to zero. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nonnegative (Thesaurus) nonnasal nonnitrogenous Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language