Breadcrumb Home > Dictionary > Index N NutraSweet: Meaning and Definition of Find definitions for: Nu•tra•Sweet Pronunciation: (n'tru-swēt", ny'-), [key] a brand of aspartame used in a low-calorie sweetener and in other processed foods, as soft drinks. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nut quad nutria ✖ Related Content Daily Word Quiz: tendentious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language