/ Dictionary / Index S slimmer: Meaning and Definition of Find definitions for: slim•mer Pronunciation: (slim'ur), [key] — n. Brit. a person who is trying to lose weight, esp. by dieting. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: slimmer (Thesaurus) slimline slimnastics 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