/ Dictionary / Index S sweetener: Meaning and Definition of Find definitions for: sweet•en•er Pronunciation: (swēt'n-ur), [key] — n. something that sweetens, as sugar or a low-calorie synthetic product used instead of sugar. an added inducement: such sweeteners as tax breaks and low-cost loans. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sweetener (Thesaurus) sweeten sweetening Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language